[Pkg-gmagick-im-team] Bug#870013: Memory leak in mat coder

[Bastien ROUCARIES]

Source: imagemagick
Version: 8:6.9.7.4+dfsg-13
Severity: important
Tags: security upstream
X-Debbugs-CC: team at security.debian.org
control: found -1 8:6.8.9.9-5+deb8u8
control: found -1 8:6.8.9.9-5+deb8u9
control: found -1 8:6.7.7.10-5+deb7u14

A memory leak in mat file could be triggerd by a specially crafted file

commit 437a35e57db5ec078f4a3ccbf71f941276e88430
Author: Cristy <urban-warrior at imagemagick.org>
Date:   Sat May 6 13:49:05 2017 -0400

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