* tools/hook-scripts/log-police.py   (fix_txn, fix_rev): Don't set a new log message if there's no change.
* tools/hook-scripts/log-police.py
  (fix_txn, fix_rev): Don't set a new log message if there's no change.

Suggested by: philip

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion