Fix a SEGV report by Sander <sgr@rotzorg.org>.
Fix a SEGV report by Sander <sgr@rotzorg.org>.

* subversion/libsvn_ra_dav/props.c (svn_ra_dav__get_props_resource): Don't
  access unitialised memory if the PROPFIND returns zero props and HTTP_OK.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@844851 13f79535-47bb-0310-9956-ffa450edef68

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