[PATCH] Need forward decl of task_struct in linux/debug_locks.h

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h
index 88dafa2..952bee7 100644
--- a/include/linux/debug_locks.h
+++ b/include/linux/debug_locks.h
@@ -43,6 +43,8 @@
 # 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);