Fix double dispatch

lime/_backend/native/NativeWindow.hx

@@ -22,6 +22,7 @@ class NativeWindow {
 	
 	public var handle:Dynamic;
 	
+	private var closing:Bool;
 	private var parent:Window;
 	
 	
@@ -47,7 +48,12 @@ class NativeWindow {
 	
 	public function close ():Void {
 		
-		parent.onClose.dispatch ();
+		if (!closing) {
+			
+			closing = true;
+			parent.onClose.dispatch ();
+			
+		}
 		
 		if (!parent.onClose.canceled) {
 			
@@ -60,6 +66,10 @@ class NativeWindow {
 				
 			}
 			
+		} else {
+			
+			closing = false;
+			
 		}
 		
 	}

lime/app/Application.hx

@@ -191,7 +191,7 @@ class Application extends Module {
 		}
 		
 		window.create (this);
-		__windows.push (window);
+		//__windows.push (window);
 		windowByID.set (window.id, window);
 		
 		window.onCreate.dispatch ();

lime/graphics/utils/ImageCanvasUtil.hx

@@ -56,8 +56,6 @@ class ImageCanvasUtil {
 			
 		} else {
 			
-			
-			
 			if (image.type == DATA && buffer.__srcImageData != null && image.dirty) {
 				
 				buffer.__srcContext.putImageData (buffer.__srcImageData, 0, 0);