sched/wait: Fix wait_event_freezable() documentation

I noticed the comment label 'wait_event' was wrong.

Signed-off-by: Stafford Horne <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>

Author: stffrdhrn

include/linux/wait.h

@@ -338,7 +338,7 @@ do {									\
 			    schedule(); try_to_freeze())
 
 /**
- * wait_event - sleep (or freeze) until a condition gets true
+ * wait_event_freezable - sleep (or freeze) until a condition gets true
  * @wq: the waitqueue to wait on
  * @condition: a C expression for the event to wait for
  *