Fixed bug where an empty rla.yml causes PHP warnings
Fixed bug where an empty rla.yml causes PHP warnings

git-svn-id: 1289b1053c874a262bb3db8c8a4a2681ef96e924@22767 ee427ae8-e902-0410-961c-c3ed070cd9f9

Symfony-Plugins/sfPropelRowLevelAccessBehaviorPlugin