server" (use my_charset_bin for stmt id hash).


sql/sql_class.cc:
  Fix for bug#5399 "Wrong statement executed by MySQL server": 
  we hash stmt ids bytewise, need to use binary collation for it.
tests/client_test.c:
  Test case for bug#5399 "Wrong statement executed by MySQL server":
  create number of statements returning different results, execute them
  one by one.