Don't create ACTUAL_NODE records to only insert NULL values in three wc_db calls.
Don't create ACTUAL_NODE records to only insert NULL values in three
wc_db calls.

* subversion/libsvn_wc/wc_db.c
  (set_props_txn): Don't create actual row to set changed properties to
    NULL.
  (svn_wc__db_temp_op_set_text_conflict_marker_files,
   svn_wc__db_temp_op_set_property_conflict_marker_file):
     Don't create ACTUAL row to clear conflict data.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@991941 13f79535-47bb-0310-9956-ffa450edef68

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