* gcontenttype.c: Don't prefer generic icons over
        default mimetype icons.

        * xdgmime/xdgmimecache.c (xdg_mime_cache_get_icon):
        * xdgmime/xdgmime.c (xdg_mime_get_icon): Don't fall back
        to generic icons.
        Patch by Krysztof Kosiński


svn path=/trunk/; revision=7587