Implemented code review comments.

Fixed style according to the specific innodb style, for innodb code.

storage/innobase/include/sync0rw.ic

@@ -801,7 +801,6 @@ pfs_rw_lock_s_lock_low(
 	const char*	file_name, /*!< in: file name where lock requested */
 	ulint		line)	/*!< in: line where requested */
 {
-
 	struct PSI_rwlock_locker*	locker = NULL;
 	PSI_rwlock_locker_state		state;
 	ibool	ret;