kernel/: Spelling fixes

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 35b4bbf..36d563f 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -493,7 +493,7 @@
 		goto retry;
 	else if (error) {
 		/*
-		 * Wierd looking, but we return EAGAIN if the IDR is
+		 * Weird looking, but we return EAGAIN if the IDR is
 		 * full (proper POSIX return value for this)
 		 */
 		error = -EAGAIN;