Fix issue 1504.
Fix issue 1504.

* tools/cvs2svn/cvs2svn.py (SymbolicNameTracker.score_revisions):
    Remove incorrect optimization. Amend docstring.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@847051 13f79535-47bb-0310-9956-ffa450edef68

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