Fixed wrong number of warnings/duplicates for machines with high-byte-first


client/mysql.cc:
  Remove not used variables
client/mysqltest.c:
  Remove double ;
myisam/ft_nlq_search.c:
  Fix valgrind error (not fatal)
myisam/rt_test.c:
  Portability fix
mysql-test/r/rpl_trunc_binlog.result:
  Portability fix
mysql-test/t/rpl_trunc_binlog.test:
  Portability fix
  (Column 23 was different on openbsd)
sql/sql_insert.cc:
  Fixed wrong number of warnings/duplicates for machines with high-byte-first
strings/ctype-big5.c:
  Portability fix
strings/ctype-gbk.c:
  Portability fix
strings/ctype-mb.c:
  Portability fix
strings/ctype-uca.c:
  Portability fix
tests/client_test.c:
  Portability fixes