Following up on r954020 and r954136 fix running the tests on Windows.
Following up on r954020 and r954136 fix running the tests on Windows.

* build/run_tests.py
  (quote): Remove function that is no longer needed when using subprocess.
  (_run_test): Remove callers.
  (_run_prog): Revert r954136.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@954143 13f79535-47bb-0310-9956-ffa450edef68

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