if (--v->refcount > 0) return;
_xlib_glyphset_cache_destroy_entry (void *cache, void *entry){    glyphset_cache_t *g;    glyphset_cache_entry_t *v;    g = (glyphset_cache_t *) cache;    v = (glyphset_cache_entry_t *) entry;    _cairo_unscaled_font_destroy (v->key.unscaled);    XRenderFreeGlyphs (g->display, g->glyphset, &(v->glyph), 1);    free (v);	}