Follow-up to r34959:
Follow-up to r34959:

* tools/hook-scripts/mailer/mailer.py
  (OutputBase.run): Try to use subprocess module.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@875527 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion