SUSE-SU-2017:0518-1 Security update for GraphicsMagick

This update for GraphicsMagick fixes several issues. These security issues were fixed: - CVE-2016-10048: Arbitrary module could have been load because relative path were not escaped bsc1017310. - CVE-2016-10049: Corrupt RLE files could have overflowed a buffer due to a incorrect length calculatio...