Added check for mod game when a module loads: If the module has the optional function, and reports that it is not an expected game, the module will not load.

This should fix how some people seem to think the counter strike modules will work on games other than counter strike.

dlls/cstrike/csx/sdk/moduleconfig.h

@@ -46,6 +46,12 @@
 /** AMXX query */
 //#define FN_AMXX_QUERY OnAmxxQuery
 
+/** AMXX Check Game - module API is NOT available here.
+ * Return AMXX_GAME_OK if this module can load on the game, AMXX_GAME_BAD if it cannot.
+ * syntax: int AmxxCheckGame(const char *game)
+ */
+#define FN_AMXX_CHECKGAME AmxxCheckGame
+
 /** AMXX attach
  * Do native functions init here (MF_AddNatives)
  */