Hopefully appease msvc

Author: aarongreig

unified-runtime/source/adapters/opencl/enqueue.cpp

@@ -592,8 +592,9 @@ UR_APIEXPORT ur_result_t UR_APICALL urEnqueueKernelLaunchWithArgsExp(
 
   // Normalize so each dimension has at least one work item
   const std::array<size_t, 3> GlobalWorkSize3D = {
-      std::max(pGlobalWorkSize[0], 1lu), std::max(pGlobalWorkSize[1], 1lu),
-      std::max(pGlobalWorkSize[2], 1lu)};
+      std::max(pGlobalWorkSize[0], std::size_t{1}),
+      std::max(pGlobalWorkSize[1], std::size_t{1}),
+      std::max(pGlobalWorkSize[2], std::size_t{1})};
 
   cl_event Event;
   std::vector<cl_event> CLWaitEvents(numEventsInWaitList);