* subversion/libsvn_wc/wc_db_update_move.c    (svn_wc__db_update_moved_away_conflict_victim): Pre-emptively guard     against NULL deref in case either or both old_version and new_version     are NULL. Found by code inspection, not sure if a crash can be triggered.     See also r1499095 and issue #4388.
* subversion/libsvn_wc/wc_db_update_move.c
   (svn_wc__db_update_moved_away_conflict_victim): Pre-emptively guard
    against NULL deref in case either or both old_version and new_version
    are NULL. Found by code inspection, not sure if a crash can be triggered.
    See also r1499095 and issue #4388.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1499096 13f79535-47bb-0310-9956-ffa450edef68

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