Merge branch 'intro-sky-fix' into 'master'

Fix the sky on the intro cutscene not scrolling.

Closes #220

See merge request STJr/SRB2Internal!353

src/f_finale.c

@@ -637,6 +637,7 @@ static void F_IntroDrawScene(void)
 		}
 		else
 		{
+			menuanimtimer = animtimer; // Reusing this variable for the intro to fix the scrolling sky, better than changing the function around.
 			F_SkyScroll(80*4, 0, "TITLESKY");
 			if (timetonext == 6)
 			{