Fix a potential erratic behaviour in 'svnlook diff' showing property diffs.  The options to ignore white space and EOL-style were uninitialized for property diffs, so could have been applied sometimes and not other times.  I have not confirmed whether this ever actually happened.
Fix a potential erratic behaviour in 'svnlook diff' showing property diffs.  The
options to ignore white space and EOL-style were uninitialized for property
diffs, so could have been applied sometimes and not other times.  I have not
confirmed whether this ever actually happened.

* subversion/svnlook/main.c
  (display_prop_diffs): Initialize the 'options' to zero/false.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1412224 13f79535-47bb-0310-9956-ffa450edef68

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