Fix cfunc test issue.
Fix cfunc test issue.

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