* src/lib/glib2.rb: Add GLib::Log.set_error_domain for improvement 	error handling.
* src/lib/glib2.rb: Add GLib::Log.set_error_domain for improvement
	error handling.


kitachro/ruby-gnome2,kitachro/ruby-gnome2,kitachro/ruby-gnome2,kitachro/ruby-gnome2,kitachro/ruby-gnome2