Feature #12653: Use wide WinAPI for rb_w32_getcwd

• Status: Assigned
• Assignee: usa (Usaku NAKAMURA)
• Target version: -

[davispuh (Dāvis Mosāns)]

Use wide WinAPI for rb_w32_getcwd.
This will be needed so that Dir.pwd can support Unicode current directory on Windows.

I've attached a patch.

[naruse (Yui NARUSE)]

• Status changed from Open to Assigned
• Assignee set to usa (Usaku NAKAMURA)