fixup! [HostJit] Avoid shadowing warnings from globals

Author: miscco

c/parallel.v2/CMakeLists.txt

@@ -86,7 +86,7 @@ target_link_libraries(
 if (WIN32)
   target_link_libraries(cccl.c.parallel.v2 PRIVATE Dbghelp)
   # We are shadowing a lot of variables with the globals like num_items
-  target_compile_options(cccl.c.parallel.v2 PRIVATE "-Xcompiler=/wd4459")
+  target_compile_options(cccl.c.parallel.v2 PRIVATE $<$<COMPILE_LANG_AND_ID:CUDA,NVIDIA>:-Xcompiler=/wd4459>)
 endif()
 
 target_compile_definitions(