Security update for librsvg (moderate)

This update for librsvg fixes the following issues: - CVE-2018-1000041: Input validation issue could lead to credentials leak. bsc1083232 Update to version 2.40.20: + Except for emergencies, this will be the LAST RELEASE of the librsvg-2.40.x series. We are moving to 2.41, which is vastly improve...