Update davclient library for propfind headers
Update davclient library for propfind headers

andreas-p/nextcloud-server,whitekiba/server,owncloud/core,andreas-p/nextcloud-server,Ardinis/server,nextcloud/server,Ardinis/server,pollopolea/core,xx621998xx/server,andreas-p/nextcloud-server,nextcloud/server,xx621998xx/server,sharidas/core,endsguy/server,owncloud/core,cernbox/core,whitekiba/server,andreas-p/nextcloud-server,pmattern/server,sharidas/core,michaelletzgus/nextcloud-server,sharidas/core,sharidas/core,pmattern/server,whitekiba/server,Ardinis/server,cernbox/core,cernbox/core,IljaN/core,jbicha/server,pixelipo/server,cernbox/core,jbicha/server,jbicha/server,IljaN/core,Ardinis/server,michaelletzgus/nextcloud-server,endsguy/server,bluelml/core,michaelletzgus/nextcloud-server,nextcloud/server,endsguy/server,cernbox/core,pixelipo/server,whitekiba/server,bluelml/core,phil-davis/core,jbicha/server,pmattern/server,bluelml/core,endsguy/server,pollopolea/core,andreas-p/nextcloud-server,whitekiba/server,IljaN/core,michaelletzgus/nextcloud-server,pollopolea/core,endsguy/server,Ardinis/server,sharidas/core,xx621998xx/server,xx621998xx/server,bluelml/core,pmattern/server,owncloud/core,IljaN/core,pixelipo/server,pollopolea/core,xx621998xx/server,owncloud/core,IljaN/core,pmattern/server,jbicha/server,pixelipo/server,owncloud/core,pollopolea/core,bluelml/core,pixelipo/server,nextcloud/server