manual merge with 5.0: automatic merge went incorrectly; fixing tests in rbr mode.


mysql-test/r/innodb.result:
  results changed because of some more queries are added
mysql-test/r/multi_update.result:
  results changed
mysql-test/r/rpl_row_basic_11bugs.result:
  results changed
mysql-test/t/innodb.test:
  error code is diff in 5.0
mysql-test/t/multi_update.test:
  making explicit comments and forcing execution in mixed (stmt) mode.
mysql-test/t/rpl_row_basic_11bugs.test:
  checking how binlogging works when a query on non-ta table completed partly.
sql/sql_update.cc:
  manual merge after authomatic one failed (semantic drift)