[Bug 51337] New: Add some locales to Windows 8.1

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51337

Bug ID: 51337
           Summary: Add some locales to Windows 8.1
           Product: Wine-Testbot
           Version: unspecified
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: unknown
          Assignee: [e-mail]
          Reporter: [e-mail]

It is possible to add other locales to Windows 8.1. So add a few simple ones to
either w8 or w864 like was done for w7u. This is useful to figure out what is
new Windows behavior.