Fix some misprints and mistakes in code, part 2 (#1021)

* Fix compiler warnings about broken syntax

Revert "Fix compiler warnings about broken syntax"

This reverts commit cd0649806feaab064e93a0fbcd1f4488747f9b79.

Unbreak code

* Unbreak code

* Stop breaking code, please

* Small real unused check

* Fix "breaked" code and fix MAX_WEAPONS misprints

* Compiler break in debug mode if passing upper case strings

modules/nvault/amxxapi.cpp

@@ -115,20 +115,17 @@ static cell nvault_get(AMX *amx, cell *params)
 	case 2:
 		{
 			return atoi(val);
-			break;
 		}
 	case 3:
 		{
 			cell *fAddr = MF_GetAmxAddr(amx, params[3]);
 			*fAddr = amx_ftoc((REAL)atof(val));
 			return 1;
-			break;
 		}
 	case 4:
 		{
 			len = *(MF_GetAmxAddr(amx, params[4]));
 			return MF_SetAmxString(amx, params[3], val, len);
-			break;
 		}
 	}