CMake Nightly Date Stamp
Encoding: Use encoding libcurl expects with file: urls.

For unescaped file: URLs on Windows, libcurl expects
the ANSI code page.

This fixes the CMake.FileUpload test when CMake is configured
to use UTF-8 internally with a non-ascii build directory name.
Merge topic 'encoding-curl' into next

e63dcb13 Encoding: Use encoding libcurl expects with file: urls.
d5a373a1 CMake Nightly Date Stamp