Fix broken keyword argument support since merging master.
Fix broken keyword argument support since merging master.

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