trivial: Fix example spec file
trivial: Fix example spec file

ikeydoherty/appstream-glib,ikeydoherty/appstream-glib,ximion/appstream-glib,ximion/appstream-glib,hughsie/appstream-glib,hughsie/appstream-glib,ximion/appstream-glib,hughsie/appstream-glib