remove cuda include for compiling test_call_cl.cpp
remove cuda include for compiling test_call_cl.cpp

hughperkins/cuda-on-cl,hughperkins/cuda-on-cl,hughperkins/coriander,hughperkins/coriander,hughperkins/cuda-on-cl,hughperkins/coriander,hughperkins/coriander,hughperkins/cuda-on-cl