message: Fix stderr redirection in interactive formatting script.
  p4 users were seeing `git status` failure messages.
diff: @@ -98,7 +98,7 @@ then
  # p4 is tricky to detect due to the concept of default clients,
  # so leave it last position, if all else fails.
  rcs=p4
  - fi 2>&1 > /dev/null
  + fi > /dev/null 2>&1
  fi
  function p4_touched_files() {
  