some fixes to the spec file.

desktop-backgrounds.spec

@@ -172,15 +172,14 @@ ln -s ./%{fedora_release_name}/default/standard/%{fedora_release_name}.png \
 %clean
 rm -rf $RPM_BUILD_ROOT
 
-%posttrans
+%posttrans gnome
 glib-compile-schemas %{_datadir}/glib-2.0/schemas &> /dev/null || :
 
-%postun
+%postun gnome
 if [ $1 -eq 0 ]; then
   glib-compile-schemas %{_datadir}/glib-2.0/schemas &> /dev/null || :
 fi
 
-
 %files basic
 %defattr(-, root, root)
 %dir %{_datadir}/backgrounds
@@ -221,7 +220,10 @@ fi
 %changelog
 * Sat Apr 02 2011 Martin Sourada <mso@fedoraproject.org> - 15.0.0-8
 - Use stripes version of the wallpaper on F15 in Gnome
-- We should require the schema we override, not the component that uses it
+- We should require the schema we override, not the component that uses 
+  it
+- Fix the scriplets
+- Minor spec clean-up
 
 * Tue Mar 22 2011 Tom Callaway <spot@fedoraproject.org> - 15.0.0-7
 - picture-uri needs to be an actual uri