Set wrong sql_mode when creating a procedure. 
So that the sql_mode can't be writen into binary log correctly.
      
Restore the current session sql_mode right before generating the binlog event
when creating a procedure.

mysql-test/suite/binlog/r/binlog_sql_mode.result:
  Test result
mysql-test/suite/binlog/t/binlog_sql_mode.test:
  Test file for sql_mode testing
sql/sp.cc:
  Restore the current session sql_mode right before generating the binlog event.