legion: small bug fix for reductions with depth 0 region projection functions
legion: small bug fix for reductions with depth 0 region projection functions

StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion