Fix the double-spacing of stderr lines in test failure logs.
Fix the double-spacing of stderr lines in test failure logs.

* subversion/tests/cmdline/svntest/main.py
  (run_command_stdin): Remove trailing newline from stderr lines for logging
    as info, just as we do for stdout lines and for logging as warnings.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1303727 13f79535-47bb-0310-9956-ffa450edef68

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