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.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion