destroy tempHandle after usage

Author: Michael5601

bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/graphics/Image.java

@@ -818,9 +818,14 @@ public static long win32_getHandle (Image image, int zoom) {
  */
 public void drawOnGCAtTargetSize(Consumer<Long> drawFunction, int targetWidth, int targetHeight) {
 	ImageData imageData = this.imageProvider.newImageData(targetWidth, targetHeight);
-	long tempHandle = init(device, imageData).handles()[0];
+	HandleForImageDataContainer handleContainer = init(device, imageData);
+	long tempHandle = handleContainer.handles()[0];
 	drawFunction.accept(tempHandle);
-	//Handle aufräumen
+	if (handleContainer.type == SWT.ICON) {
+		OS.DestroyIcon (tempHandle);
+	} else {
+		OS.DeleteObject (tempHandle);
+	}
 }
 
 /**