Security update for GraphicsMagick

This update for GraphicsMagick fixes the following issues:

- CVE-2017-9142: missing checks in theReadOneJNGImage function in coders/png.c could trigger an assertion failure (boo#1040304)

Fixed bugs
bnc#1040304
VUL-1: CVE-2017-9142: GraphicsMagick,ImageMagick: missing checks in theReadOneJNGImage function in coders/png.c
Selected Binaries
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