change log for P0531010 (close)

datetimeuserobjecttablefieldtypeoldnew
2015-11-0615:47:33Felber, Volker 9478 Schach-Echo 1, p. 16, 01/1978 refsrc page  update 16 
2015-11-0615:47:33Felber, Volker 9478 Schach-Echo 1, p. 16, 01/1978 refsrc sourceno  update