also use fscache when getting used space for webdav
also use fscache when getting used space for webdav

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