@@ -23,11 +23,11 @@
 #import "runtime-private.h"
 
 #ifdef OF_HAVE_THREADS
 # import "threading.h"
 
-struct lock_s {
+static struct lock_s {
 	id	      object;
 	int	      count;
 	of_rmutex_t   rmutex;
 	struct lock_s *next;
 } *locks = NULL;