%files backend-gstreamer
%defattr(-,root,root,-)
%{_kde4_libdir}/kde4/plugins/phonon_backend/phonon_gstreamer.so
%{_kde4_datadir}/kde4/services/phononbackends/gstreamer.desktop
%{_datadir}/icons/hicolor/*/apps/phonon-xine.*
==================================
%files backend-xine
%defattr(-,root,root,-)
%{_kde4_libdir}/kde4/plugins/phonon_backend/phonon_xine.so
%{_kde4_datadir}/kde4/services/phononbackends/xine.desktop
%{_datadir}/icons/hicolor/*/apps/phonon-gstreamer.*
======================================
these lines look reversed?
...dex