I can also confirm this bug. /usr/lib/libinfgtk-0.4.la and /usr/lib/libinftextgtk-0.4.la have /usr/lib/libgdk_pixbuf-2.0.la as a dependency. This prevents gedit-collaboration compiling.
I can also confirm this bug. /usr/lib/ libinfgtk- 0.4.la and /usr/lib/ libinftextgtk- 0.4.la have /usr/lib/ libgdk_ pixbuf- 2.0.la as a dependency. This prevents gedit-collaboration compiling.