Fixed test for row based replication


mysql-test/mysql-test-run.pl:
  After merge fix
mysql-test/r/maria.result:
  Fixed test for row based replication
mysql-test/t/maria.test:
  Fixed test for row based replication
storage/maria/ha_maria.cc:
  After merge fix
storage/maria/ma_blockrec.c:
  Better to clear whole page, as 'length' may be bigger than what we need.
storage/maria/ma_loghandler.c:
  Fix compiler warning
  Removed access to not initialized memory
storage/maria/ma_open.c:
  Remove wrong (not needed) test