Portability fixes.
Fixed bug in mysqlbinlog when detecting binary log version


client/mysqlbinlog.cc:
  Fixed bug when detecting binary log version
configure.in:
  Portability fix for HPUX
mysql-test/mysql-test-run.sh:
  Portability fix
sql-bench/bench-init.pl.sh:
  Updated benchmarks
sql-bench/run-all-tests.sh:
  Updated benchmarks
sql-bench/server-cfg.sh:
  Updated benchmarks
sql-bench/test-ATIS.sh:
  Updated benchmarks
sql-bench/test-connect.sh:
  Updated benchmarks