Fix refct bug
Fix refct bug

sklam/numba,gmarkall/numba,IntelLabs/numba,cpcloud/numba,seibert/numba,numba/numba,stuartarchibald/numba,gmarkall/numba,stonebig/numba,jriehl/numba,seibert/numba,stefanseefeld/numba,jriehl/numba,sklam/numba,numba/numba,numba/numba,gmarkall/numba,sklam/numba,seibert/numba,stefanseefeld/numba,seibert/numba,jriehl/numba,IntelLabs/numba,stonebig/numba,stuartarchibald/numba,cpcloud/numba,cpcloud/numba,sklam/numba,IntelLabs/numba,stefanseefeld/numba,sklam/numba,stonebig/numba,seibert/numba,cpcloud/numba,stuartarchibald/numba,numba/numba,stuartarchibald/numba,stonebig/numba,stefanseefeld/numba,cpcloud/numba,jriehl/numba,gmarkall/numba,IntelLabs/numba,stonebig/numba,gmarkall/numba,stuartarchibald/numba,numba/numba,IntelLabs/numba,jriehl/numba,stefanseefeld/numba