--- trunk/glib/gthread.h	2007/10/21 17:01:29	5792
+++ trunk/glib/gthread.h	2008/03/12 15:36:38	6691
@@ -140,9 +140,15 @@
 /* internal function for fallback static mutex implementation */
 GMutex* g_static_mutex_get_mutex_impl   (GMutex **mutex);
 
+#ifdef __cplusplus
 #define g_static_mutex_get_mutex_impl_shortcut(mutex) \
   (g_atomic_pointer_get ((gpointer*)(void*)mutex) ? *(mutex) : \
    g_static_mutex_get_mutex_impl (mutex))
+#else
+#define g_static_mutex_get_mutex_impl_shortcut(mutex) \
+  (g_atomic_pointer_get (mutex) ? *(mutex) : \
+   g_static_mutex_get_mutex_impl (mutex))
+#endif
 
 /* shorthands for conditional and unconditional function calls */