final fixes

JavaApp/src/main/java/jdpi/awt/image/ImageObserverWrapper.java

@@ -6,8 +6,8 @@ public void ImageObserverWrapper {
     public java.awt.image.ImageObserver wrap(final ImageObserver observer) {
         return new java.awt.image.ImageObserver() {
             public boolean imageUpdate(java.awt.Image img, int infoflags, int x, int y, int width, int height) {
-                if (img instanceof BufferedImage) {
-                    observer.imageUpdate((BufferedImage) imf, infoflags, x, y, width, height);
+                if (img instanceof java.awt.image.BufferedImage) {
+                    observer.imageUpdate(new BufferedImage((java.awt.image.BufferedImage) img), infoflags, x, y, width, height);
                 }
             }
         };