Remove some exteraenous parens.
Remove some exteraenous parens.

* tools/dist/release.py
  (split_version): As above, when returning a tuple.
  (roll_tarballs, post_candidates, write_news, write_announcement): As above,
    when unpacking a return value.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1140305 13f79535-47bb-0310-9956-ffa450edef68

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