Keep UB specific enum value for all builds

but at the end, not beginning as to not make a mess

along with an intro.lua change in gamedir/Data-UB/Scripts this gets rid of a nasty preprocessor conditional in a header file

Ja2/Intro.h

@@ -12,13 +12,11 @@ void	StopIntroVideo();
 //enums used for when the intro screen can come up, used with 'gbIntroScreenMode'
 enum EIntroType
 {
-#ifdef JA2UB	
-	INTRO_HELI_CRASH,
-#endif
 	INTRO_BEGINNING,			//set when viewing the intro at the begining of the game
 	INTRO_ENDING,				//set when viewing the end game video.
-
 	INTRO_SPLASH,
+	// Unfinished Business
+	INTRO_HELI_CRASH
 };