Log Message:
Fix the build with the latest cairomm.
* goocanvas/src/enums.[hg|ccg]: Remove the (unused) Value<Cairo::Pattern>
  specialization. Pattern should always (and is always) used via RefPtr
  anyway.
http://git.gnome.org/browse/goocanvasmm/commit/?h=goocanvasmm-1.0&id=30edcb72c89c0f97d11d9f88c6da82f6ae78d4bf

Installed header file is changed, so bump PKGREVISION.