hg: jdk/client: 8188083: NullPointerExcpn-java.awt.image.FilteredImageSource.startProduction JDK-8079607

[prahalad.kumar.narayanan at oracle.com]

Changeset: 054fecf0c1d2
Author:    pnarayanan
Date:      2017-12-12 14:05 +0530
URL:       http://hg.openjdk.java.net/jdk/client/rev/054fecf0c1d2

8188083: NullPointerExcpn-java.awt.image.FilteredImageSource.startProduction JDK-8079607
Reviewed-by: serb, prr, jdv
Contributed-by: prahalad.kumar.narayanan at oracle.com

! src/java.desktop/share/classes/java/awt/image/FilteredImageSource.java
+ test/jdk/java/awt/image/FilteredImageSourceTest.java