Apply equivalent change to r1522518 to svn-bench help output
Apply equivalent change to r1522518 to svn-bench help output

* subversion/svn/help-cmd.c
  (svn_cl__help): No not show the version number in help output as
    --version is provided. Name it Subversion benchmarking tool.

Approved by: stsp



git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1637247 13f79535-47bb-0310-9956-ffa450edef68

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