Fix for previous version. I acidentally had left a debug code there, resulting in wayland-specific code to be executed for X11 system.
New Shutter update, 0.96, is here! It drops dependency on Gtk2, and starts depending on Gtk3 instead.
This is another bugfix release implementing further patches. Some upload plugins have been removed because the upload services have shut down (ITmages, Minus, TwitPic).