various: Fix spelling of "asynchronous" in comments.

"Asynchronous" is misspelled in some comments. No code changes.

Signed-off-by: Adam Buchbinder <adam.buchbinder@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/fs/notify/notification.c b/fs/notify/notification.c
index c887b13..48cb994 100644
--- a/fs/notify/notification.c
+++ b/fs/notify/notification.c
@@ -18,7 +18,7 @@
 
 /*
  * Basic idea behind the notification queue: An fsnotify group (like inotify)
- * sends the userspace notification about events asyncronously some time after
+ * sends the userspace notification about events asynchronously some time after
  * the event happened.  When inotify gets an event it will need to add that
  * event to the group notify queue.  Since a single event might need to be on
  * multiple group's notification queues we can't add the event directly to each