Band-aid fix crash caused by modifying Flags.MAX_SPLASHES (#963)

* 更新 SplashGroup.hx

* Update SplashGroup.hx

---------

Co-authored-by: Ralty <78720179+Raltyro@users.noreply.github.com>

Author: HEIHUAa

source/funkin/game/SplashGroup.hx

@@ -92,8 +92,8 @@ class SplashGroup extends FlxTypedGroup<Splash> {
 	}
 
 	function pregenerateSplashes(splash:Splash) {
-		// make 7 additional splashes
-		for(i in 0...7) {
+		// TODO: Fix a crash somewhere here https://github.com/CodenameCrew/CodenameEngine/pull/963
+		for (i in 0...Flags.MAX_SPLASHES - 1) {
 			var spr = Splash.copyFrom(splash);
 			spr.animation.finishCallback = function(name:String) {
 				spr.active = spr.visible = false;
@@ -133,4 +133,4 @@ class SplashGroup extends FlxTypedGroup<Splash> {
 
 		return __splash;
 	}
-}
+}