fix undefined index warning in router
fix undefined index warning in router

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