Make static data thread safe in pangocairo-fcfont.c

diff --git a/pango/pangocairo-fcfont.c b/pango/pangocairo-fcfont.c
index 1393ce8..6e4fcd9 100644 (file)
--- a/pango/pangocairo-fcfont.c
+++ b/pango/pangocairo-fcfont.c
@@ -187,8 +187,8 @@ get_gravity_class (void)
 {
   static GEnumClass *class = NULL;
 
-  if (G_UNLIKELY (!class))
-    class = g_type_class_ref (PANGO_TYPE_GRAVITY);
+  if (g_once_init_enter ((gsize*)&class))
+    g_once_init_leave((gsize*)&class, (gsize)g_type_class_ref (PANGO_TYPE_GRAVITY));
 
   return class;
 }