Validate incoming update report XML file on availability of attributes.
Validate incoming update report XML file on availability of attributes.

* subversion/libsvn_ra_neon/fetch.c
  (start_element): Check on xml attributes, raise error if they don't exist.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@868010 13f79535-47bb-0310-9956-ffa450edef68

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