jbd/2: fixed typos

"wakup"

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index ac18404..da1b5e4 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -441,7 +441,7 @@
 	 */
 	if (!tid_geq(journal->j_commit_request, target)) {
 		/*
-		 * We want a new commit: OK, mark the request and wakup the
+		 * We want a new commit: OK, mark the request and wakeup the
 		 * commit thread.  We do _not_ do the commit ourselves.
 		 */