kernel: replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 7db251a..721093a 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -247,7 +247,7 @@
 	if (cwq->run_depth > 3) {
 		/* morton gets to eat his hat */
 		printk("%s: recursion depth exceeded: %d\n",
-			__FUNCTION__, cwq->run_depth);
+			__func__, cwq->run_depth);
 		dump_stack();
 	}
 	while (!list_empty(&cwq->worklist)) {