Merge Revision revid:vasil.dimov@oracle.com-20100914121904-hyblrdlttytc8zvv from MySQL InnoDB
Original revid:vasil.dimov@oracle.com-20100914121904-hyblrdlttytc8zvv
Original Authors: Vasil Dimov <vasil.dimov@oracle.com> Original commit message: (partially) Fix Bug#55227 Fix compiler warnings in innodb with gcc 4.6
Fix compiler warning: trx/trx0purge.c: In function 'trx_purge_rec_release': trx/trx0purge.c:1007:18: error: variable 'arr' set but not used [-Werror=unused-but-set-variable]