* subversion/libsvn_wc/conflicts.c   (svn_wc__guess_incoming_move_target_node): Return something even if all    common ancestors are the empty string (longest_ancestor_len is initially 0).
* subversion/libsvn_wc/conflicts.c
  (svn_wc__guess_incoming_move_target_node): Return something even if all
   common ancestors are the empty string (longest_ancestor_len is initially 0).


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1748189 13f79535-47bb-0310-9956-ffa450edef68

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