ksmbd: fix typo in comment

Fix typo "openning" -> "opening".
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/ksmbd/connection.c

@@ -247,7 +247,7 @@ bool ksmbd_conn_alive(struct ksmbd_conn *conn)
 
 	/*
 	 * Stop current session if the time that get last request from client
-	 * is bigger than deadtime user configured and openning file count is
+	 * is bigger than deadtime user configured and opening file count is
 	 * zero.
 	 */
 	if (server_conf.deadtime > 0 &&