Update gGameVersion to use GAME_VERSION

src/main.c

@@ -33,7 +33,7 @@ static void VCountIntr(void);
 static void SerialIntr(void);
 static void IntrDummy(void);
 
-const u8 gGameVersion = VERSION_EMERALD;
+const u8 gGameVersion = GAME_VERSION;
 
 const u8 gGameLanguage = GAME_LANGUAGE; // English