Adding a check for both notehold names in the xml smiley face :D (#660)

Author: SenDoesStuff

source/funkin/game/Note.hx

@@ -154,7 +154,7 @@ class Note extends FlxSprite
 						case 0:
 							animation.addByPrefix('scroll', 'purple0');
 							animation.addByPrefix('hold', 'purple hold piece');
-							animation.addByPrefix('holdend', 'pruple end hold');
+							animation.addByPrefix('holdend', frames.getByName('pruple end hold') != null ? 'pruple end hold' : 'purple hold end');
 						case 1:
 							animation.addByPrefix('scroll', 'blue0');
 							animation.addByPrefix('hold', 'blue hold piece');