Try workaround against regression with new VisualC++

tests/Make-check-cl.bat

@@ -23,8 +23,9 @@ for %%f in (test-*.c) do (
     REM Compile the test suite
     REM /experimental:preprocessor is mandatory to have a compliant preprocessor
     REM /Zc:__cplusplus is needed to report the real value of __cplusplus, so that M*LIB uses the C++ atomic, and not its emulation.
+    REM Some issue with wrong (?) reported issues W4002
     echo Compiling %%f
-    cl.exe /I.. /O2 /std:c++14 /Zc:__cplusplus /experimental:preprocessor test.cpp > %%f.log 2>&1 
+    cl.exe /I.. /O2 /std:c++14 /Zc:__cplusplus /experimental:preprocessor /Wd4002 test.cpp > %%f.log 2>&1 
     if ERRORLEVEL 1 ( 
         echo *** BUILD ERROR for %%f *** >> %%f.log
         type %%f.log