[Cpp Runtime] MSVC: Release 4.10 fails to compile. Missing definition for antlrcpp::s2ws

[amykyta3]

Runtime source does not provide any definition for antlrcpp::s2ws:

antlr4-cpp-runtime\ANTLRFileStream.cpp(17): error C2653: 'antlrcpp': is not a class or namespace name
antlr4-cpp-runtime\ANTLRFileStream.cpp(17): error C3861: 's2ws': identifier not found

From my attempt to upgrade to 4.10: https://github.com/SystemRDL/systemrdl-compiler/runs/6001839774

Grepping the contents of runtime shows this is missing:

$ grep -r s2ws antlr4-cpp-runtime-4.10-source/
antlr4-cpp-runtime-4.10-source/runtime/src/ANTLRFileStream.cpp:  std::ifstream stream(antlrcpp::s2ws(fileName), std::ios::binary);
antlr4-cpp-runtime-4.10-source/demo/Windows/antlr4-cpp-demo/main.cpp:  std::wstring s = antlrcpp::s2ws(tree->toStringTree(&parser)) + L"\n";

as does searching the contents of the antlr repository: https://github.com/antlr/antlr4/search?q=s2ws

[amykyta3]

Possibly related: #3467

Incomplete implementation of #3398?