[PATCH] scrrun: Add MoveFile().

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=42077

Your paranoid android.


=== wvistau64_zh_CN (32 bit Windows report) ===

scrrun:
filesystem.c:1530: Test failed: got L"\f8f5", expected L"\f8f5?"
filesystem.c:1659: Test failed: got L"\f8f5\fa0f", 125
filesystem.c:1806: Test failed: got L"\f8f5\fa0f", expected L"\f8f5?"