prbr: Fixed regression caused by eb09872.
prbr: Fixed regression caused by eb09872.

And fixed some dialyzer warnings as well.

scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris