* tools/dist/backport.pl   (feature): Use 'switch' and 'say'.  This requires Perl 5.10.   (main): Rewrite using switch(). Don't print in batch mode.
* tools/dist/backport.pl
  (feature): Use 'switch' and 'say'.  This requires Perl 5.10.
  (main): Rewrite using switch(). Don't print in batch mode.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1239639 13f79535-47bb-0310-9956-ffa450edef68

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