One more bug fix in clearFolderSizeCache()
One more bug fix in clearFolderSizeCache()

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