Comment # 1 on bug 965504 from Matthias Mail�nder

Indeed. The fix just hasn't been backported to 13.2 yet. You can either install
the lastest mono-core from Mono:Factory or install libgdiplus-devel. I don't
recommend symlinking yourself. This will only cause file conflicts for RPM.

*** This bug has been marked as a duplicate of bug 944754 ***