Enable compiling with VS 2019

Add hicum2bindCSC.c to project

visualc/vngspice.vcxproj

@@ -2244,6 +2244,7 @@
     <ClCompile Include="..\src\spicelib\devices\hicum2\hicum2.c" />
     <ClCompile Include="..\src\spicelib\devices\hicum2\hicum2acld.c" />
     <ClCompile Include="..\src\spicelib\devices\hicum2\hicum2ask.c" />
+    <ClCompile Include="..\src\spicelib\devices\hicum2\hicum2bindCSC.c" />
     <ClCompile Include="..\src\spicelib\devices\hicum2\hicum2conv.c" />
     <ClCompile Include="..\src\spicelib\devices\hicum2\hicum2getic.c" />
     <ClCompile Include="..\src\spicelib\devices\hicum2\hicum2init.c" />
@@ -2889,4 +2890,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>