Add -w to diff tool to ignore whitespace.
Add -w to diff tool to ignore whitespace.

* tools/diff/diff.c
  (main): Create diff options earlier and set ignore_space_all on -w.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1295201 13f79535-47bb-0310-9956-ffa450edef68

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