MFH: r427821
graphics/ImageMagick: Update to 6.9.6-4
Summarized changelog since 6.9.5-10:
- Off by one memory allocation (reference https://github.com/ImageMagick/ImageMagick/issues/296).
- Prevent fault in MSL interpreter (reference https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=30797).
- Added layer ZIP compression to the PSD encoder.
- Unit test pass again after small SUN image patch.
- Fixed incorrect RLE decoding when reading a DCM image that contains multiple segments.
- Fixed incorrect RLE decoding when reading an SGI image (reference https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=30514)
PR: 214517
Security: CVE-2016-9298
Approved by: ports-secteam (with hat)