Fix array access syntax for older PHP
Fix array access syntax for older PHP

There was a syntax error when running tests in PHP 5.3.10.

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