mono/gtk-sharp — pull request #92 by knocte (2013-11-04 23:22:48+00:00)
Title: cairo: fix remaining leaks when finalizer gets called

Apply same finalizer leak fix to the rest of IDisposable-ownership
cairo classes as the one recently committed for Cairo.Context[1].

[1] https://github.com/mono/gtk-sharp/commit/41eeecbf9a6d84fa29ccee9adfee98ada1f1de66