Add TXT_MULTIPLAYER_GAME reference

Author: Metadorius

GameStrings.h

@@ -70,6 +70,7 @@ namespace GameStrings
 	GAMEMD_STRING(TXT_SELECTION           , 0x827250);
 	GAMEMD_STRING(TXT_TAUNT               , 0x827218);
 	GAMEMD_STRING(TXT_TEAM                , 0x826FA4);
+	GAMEMD_STRING(TXT_MULTIPLAYER_GAME    , 0x820DBC);
 	GAMEMD_STRING(TXT_SAVING_GAME         , 0x820DD4);
 	GAMEMD_STRING(TXT_GAME_WAS_SAVED      , 0x829FE0);
 	GAMEMD_STRING(TXT_ERROR_SAVING_GAME   , 0x829EBC);