[Pkg-gmagick-im-team] Bug#832465: SUN file ABRT signal

[Bastien ROUCARIES]

    Avoid a SIGABRT in sun file handling

    This is a partial fix for malformed sun file

    Bug: http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=26857
    Bug-debian: https://bugs.debian.org/823750
    Origin: upstream,
https://github.com/ImageMagick/ImageMagick/commit/1aa0c6dab6dcef4d9bc3571866ae1c1ddbec7d8f