Add check that sizeof(trx_t) is the same in ha_inndob.cc and InnoDB compilation modules


sql/ha_innodb.cc:
  Add check that sizeof(trx_t) is the same in ha_inndob.cc and InnoDB compilation modules
innobase/srv/srv0start.c:
  Add check that sizeof(trx_t) is the same in ha_inndob.cc and InnoDB compilation modules
innobase/include/srv0start.h:
  Add check that sizeof(trx_t) is the same in ha_inndob.cc and InnoDB compilation modules