Add missing 'remove-prop' element(s) in update-report with send-all=false.
Add missing 'remove-prop' element(s) in update-report with send-all=false.

The update report code assumes that when a file or dir is added, it can't get
any properties removed at the same time, but this situation can happen if the 
file/dir was copied from another file/dir.

This fixes update test 41 over ra_serf.

* subversion/mod_dav_svn/reports/update.c
  (struct item_baton_t): Add new member copyfrom.
  (add_helper): Set the copyfrom flag if this file/dir is a copy of another.
  (close_helper): Send remove-prop element(s) when the file/dir was copied.

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