diff --git a/[refs] b/[refs]
index 47f727197116..036ba3335236 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c51d476af36d1e9634e77afccc4d48e344acf243
+refs/heads/master: f86e45131f9d41b1617fbaac7aa1ef23e8d0ab48
diff --git a/trunk/include/linux/debug_locks.h b/trunk/include/linux/debug_locks.h
index 88dafa246d87..952bee79a8f3 100644
--- a/trunk/include/linux/debug_locks.h
+++ b/trunk/include/linux/debug_locks.h
@@ -43,6 +43,8 @@ extern int debug_locks_off(void);
 # define locking_selftest()	do { } while (0)
 #endif
 
+struct task_struct;
+
 #ifdef CONFIG_LOCKDEP
 extern void debug_show_all_locks(void);
 extern void debug_show_held_locks(struct task_struct *task);