format." warnings
      
Despite the fact that a statement would be filtered out from binlog, a
warning would still be thrown if it was issued with the LIMIT.
      
This patch addresses this issue by checking the filtering rules before
printing out the warning.


mysql-test/suite/binlog/t/binlog_stm_unsafe_warning-master.opt:
  Parameter to filter out database: "b42851".
mysql-test/suite/binlog/t/binlog_stm_unsafe_warning.test:
  Added a new test case.
sql/sql_class.cc:
  Added filtering rules check to condition used to decide whether to
  printout warning or not.