Multi-window fix

lime/app/Application.hx

@@ -252,6 +252,12 @@ class Application extends Module {
 			windowByID.remove (window.id);
 			window.close ();
 			
+			if (window.renderer != null) {
+				
+				removeRenderer (window.renderer);
+				
+			}
+			
 			if (this.window == window) {
 				
 				this.window = null;

lime/app/Module.hx

@@ -127,7 +127,11 @@ class Module implements IModule {
 	
 	@:noCompletion public function removeWindow (window:Window):Void {
 		
-		
+		if (window != null && __windows.indexOf (window) > -1) {
+			
+			__windows.remove (window);
+			
+		}
 		
 	}
 	

project/src/backend/sdl/SDLRenderer.cpp

@@ -217,10 +217,12 @@ namespace lime {
 			
 			SDL_RenderReadPixels (sdlRenderer, &bounds, SDL_PIXELFORMAT_ABGR8888, buffer->data->Data (), buffer->Stride ());
 			
-			for (unsigned char *it=buffer->data->Data()+3; it<(buffer->data->Data()+buffer->data->Length());it+=4) {
+			for (unsigned char *it=buffer->data->Data () + 3; it < (buffer->data->Data () + buffer->data->Length ()); it += 4) {
+				
 				*it = 0xff;
+				
 			}
-
+			
 		}
 		
 	}