Merge Revision revid:svn-v4:16c675df-0fcb-4bc9-8058-dcc011a37293:branches/zip:6853 from MySQL InnoDB
Original revid:svn-v4:16c675df-0fcb-4bc9-8058-dcc011a37293:branches/zip:6853
Original Authors: marko
Original commit message:
branches/zip: mutex_own(), rw_lock_own(): Add attribute((warn_unused_result)).