Fix warnings in sample interop code

[azisso]

• Address C4996 and C4477
• Address winsock.h vs WinSock2.h conflicts in example #622

[opbld32]

Docs Build status updates of commit d1b6486:

✅ Validation status: passed

File	Status	Preview URL	Details
wsl-samples/afunix-wsl-interop/windows_server/af_unix_win_server.cpp	✅Succeeded

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[mattwojo]

Thanks @l33ds ! Appreciate your contribution!