Show time taken in svnbench's non-quiet output.
Show time taken in svnbench's non-quiet output.

* subversion/svnbench/svnbench.c
  (sub_main): If there was no error and we are not simply showing help,
              show the time taken as the last line (if not in quiet mode).

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1703383 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion