[Drebin]

pawn Code:

if (strcmp("/getguns", cmdtext, true, 10) == 0)
    {
       
        if(IsPlayerInRangeOfPoint(playerid, 2.0, 866.7318,-2140.3936,13.2975))
        {
            if(PlayerInfo[playerid][pFMember] == 1)
            {
                ShowPlayerDialog(playerid, 987, DIALOG_STYLE_LIST, "Gang Guns", "Choose a Gun you want", "M4($3000)\nAK-47($3000)\nMP5($2500)\nSniper($5000)\nRocket Luncher($10000)", "Buy", "Cancel");
            }
            else
            {
                SendClientMessage(playerid, COLOR_GREY, "Your not a member of The Gang");
            }   
        }
        else
        {
            SendClientMessage(playerid, COLOR_GREY, "Your not near the Armory");
        }
        return 1;
    }
if (strcmp("/spadegate", cmdtext, true, 10) == 0)
    {
        if(IsPlayerInRangeOfPoint(playerid, 3.0, 820.59997559,-2068.19995117,11.89999962))
        {
            if(PlayerInfo[playerid][pFMember] == 1)
            {
                if(SpadeOpen == 1)
                {
                    MoveObject(SpadeGate, 820.59997559,-2068.19995117,11.89999962, 3.0);
                    SpadeOpen = 0;
                }
                else if(SpadeOpen == 0)
                {
                    MoveObject(SpadeGate, 829.09997559,-2068.19995117,11.89999962, 3.0);
                    SpadeOpen = 1;
                }
            }
            else
            {
                SendClientMessage(playerid, COLOR_GREY, "Your not a member of the gang");
            }   
        }
        else
        {
            SendClientMessage(playerid, COLOR_GREy, "Your not near the Gate");
        }
        return 1;
    }

pawn Code:

if(dialogid == 987)
    {
        if(response)
        {
            switch(listitem)
            {
                new string[128];
                case 1: // M4
                {
                    if(PlayerInfo[playerid][pCash] >= 3000)
                    {
                        GivePlayerWeapon(playerid, 31, 999999);
                        SendClientMessage(playerid, COLOR_GREY, "You have bought a M4");
                        PlayerInfo[playerid][pCash] = PlayerInfo[playerid][pCash] - 3000;
                        format(string, sizeof(string), "%s has bought a M4 At the Gang armory", RemoveUnderScore(playerid));
                        SendFamilyMessage(1, COLOR_DBLUE, string);
                    }
                    else
                    {
                        SendClientMessage(playerid, COLOR_GREY, "You dont have enought money to buy that");
                    }   
                }
                case 2: // Ak
                {
                    if(PlayerInfo[playerid][pCash] >= 3000)
                    {
                        GivePlayerWeapon(playerid, 30, 999999);
                        SendClientMessage(playerid, COLOR_GREY, "You have bought a AK-47");
                        PlayerInfo[playerid][pCash] = PlayerInfo[playerid][pCash] - 3000;
                        format(string, sizeof(string), "%s has bought a AK-47 At the Gang armory", RemoveUnderScore(playerid));
                        SendFamilyMessage(1, COLOR_DBLUE, string);
                    }
                    else
                    {
                        SendClientMessage(playerid, COLOR_GREY, "You dont have enought money to buy that");
                    }   
                }
                case 3: // MP5
                {
                    if(PlayerInfo[playerid][pCash] >= 2500)
                    {
                        GivePlayerWeapon(playerid, 29, 999999);
                        SendClientMessage(playerid, COLOR_GREY, "You have bought a MP5");
                        PlayerInfo[playerid][pCash] = PlayerInfo[playerid][pCash] - 2500;
                        format(string, sizeof(string), "%s has bought a MP5 At the Gang armory", RemoveUnderScore(playerid));
                        SendFamilyMessage(1, COLOR_DBLUE, string);
                    }
                    else
                    {
                        SendClientMessage(playerid, COLOR_GREY, "You dont have enought money to buy that");
                    }   
                }
                case 4: // Sniper
                {
                    if(PlayerInfo[playerid][pCash] >= 5000)
                    {
                        GivePlayerWeapon(playerid, 34, 999999);
                        SendClientMessage(playerid, COLOR_GREY, "You have bought a Sniper");
                        PlayerInfo[playerid][pCash] = PlayerInfo[playerid][pCash] - 5000;
                        format(string, sizeof(string), "%s has bought a Sniper At the Gang armory", RemoveUnderScore(playerid));
                        SendFamilyMessage(1, COLOR_DBLUE, string);
                    }
                    else
                    {
                        SendClientMessage(playerid, COLOR_GREY, "You dont have enought money to buy that");
                    }   
                }
                case 5: // Rocket Luncher
                {
                    if(PlayerInfo[playerid][pCash] >= 10000)
                    {
                        GivePlayerWeapon(playerid, 35, 999999);
                        SendClientMessage(playerid, COLOR_GREY, "You have bought a Rocket Luncher");
                        PlayerInfo[playerid][pCash] = PlayerInfo[playerid][pCash] - 10000;
                        format(string, sizeof(string), "%s has bought a Rocket Luncher At the Gang armory", RemoveUnderScore(playerid));
                        SendFamilyMessage(1, COLOR_DBLUE, string);
                    }
                    else
                    {
                        SendClientMessage(playerid, COLOR_GREY, "You dont have enought money to buy that");
                    }   
                }
            }
        }
    }

Try this

EDIT:
nvm.