Fixed public upload error that prevents upload
Fixed public upload error that prevents upload

Public upload is broken because the file_upload_param variable expected
to exist by public.js didn't.

This fix sets the variable scope to the window to make it accessible
outside.

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