Failed to build on non-English Locale Windows OS

[sweetliquid]

Brief description of your issue

Due to the existence of special characters (such as '…') in the comments of some non-Unicode encoded files, they cannot be compiled in the Windows 10 set "Locale" to Chinese (or other).

Steps to reproduce

Perform the build in the Windows 10 set "Locale" to Chinese (or other).

Expected behavior

Compiled successfully.

Actual behavior

Compilation failed with Compiler Warning C4819

The file contains a character that cannot be represented in the current code page (number).
Save the file in Unicode format to prevent data loss.

Environment

[winget --info]
Windows Package Manager v0.1.41331 预览
Copyright (c) Microsoft Corporation. All rights reserved.

Windows: Windows.Desktop v10.0.18363.900
Package: Microsoft.DesktopAppInstaller v1.0.41331.0

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