fix close() implementation in \OC\Session\Internal
fix close() implementation in \OC\Session\Internal

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