difficulty fix on linux

source/funkin/editors/ChartingState.hx

@@ -138,7 +138,6 @@ class ChartingState extends MusicBeatState
 		}
 
 		FlxG.mouse.visible = true;
-		FlxG.save.bind('funkin', 'ninjamuffin99');
 
 		tempBpm = _song.bpm;
 

source/funkin/game/PlayState.hx

@@ -278,7 +278,7 @@ class PlayState extends MusicBeatState
 				// ADD YOUR HARDCODED SCRIPTS HERE!
 			default:
 				for(content in [
-					Paths.getFolderContent('data/charts/${SONG.song}/', false, true, !fromMods),
+					Paths.getFolderContent('data/charts/${SONG.song.toLowerCase()}/', false, true, !fromMods),
 					Paths.getFolderContent('data/charts/', false, true, !fromMods)]) {
 					for(file in content) {
 						var ext = Path.extension(file).toLowerCase();

source/funkin/menus/FreeplayState.hx

@@ -304,7 +304,7 @@ class SongMetadata
 		if (difficulties != null && difficulties.length > 0) {
 			this.difficulties = difficulties;
 		} else {
-			this.difficulties = difficulties = [for(f in Paths.getFolderContent('data/charts/${song}/', false, false, fromSource)) if (Path.extension(f = f.toUpperCase()) == "JSON") Path.withoutExtension(f)];
+			this.difficulties = difficulties = [for(f in Paths.getFolderContent('data/charts/${song.toLowerCase()}/', false, false, fromSource)) if (Path.extension(f = f.toUpperCase()) == "JSON") Path.withoutExtension(f)];
 			if (difficulties.length == 3) {
 				var hasHard = false, hasNormal = false, hasEasy = false;
 				for(d in difficulties) {

source/funkin/windows/WindowsAPI.hx

@@ -39,7 +39,7 @@ class WindowsAPI {
         #if windows
         native.WinAPI.showMessageBox(caption, message, icon);
         #else
-        lime.app.Application.current.window.alert(caption, message);
+        lime.app.Application.current.window.alert(message, caption);
         #end
     }