Update WindowUtil.hx

Author: Z11Coding

source/backend/window/WindowUtil.hx

@@ -1,4 +1,3 @@
-#if windows
 package backend.window;
 
 // most codes stolen from vs dave and bambi source code.
@@ -43,5 +42,4 @@ class WindowUtil
 		return res;
 	}
     #end
-}
-#end
+}