Merge Revision revid:svn-v4:16c675df-0fcb-4bc9-8058-dcc011a37293:branches/zip:6777 from MySQL InnoDB
Original revid:svn-v4:16c675df-0fcb-4bc9-8058-dcc011a37293:branches/zip:6777
Original Authors: marko
Original commit message:
branches/zip: trx_undo_update_rec_get_update(): Silence a bogus GCC warning
about a possibly uninitialized variable.