Make USE_HOST compilable on msys2

[maruel]

What does this implement/fix?

Makes it possible to compile parts of esphome when using USE_HOST from within msys2. This is used by https://github.com/maruel/ellee to simulate an addressable_lambda effect at the console.

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Other

Related issue or feature (if applicable):

Pull request in esphome-docs with documentation (if applicable):

Test Environment

• ESP32
• ESP32 IDF
• ESP8266
• RP2040
• BK72xx
• RTL87xx
• USE_HOST :)

Example entry for config.yaml:

light:
  - effects:
      - addressable_lambda:
          lambda: |-
            const auto v = half_sin8(128);
            printf("%d\n", v);
            exit(0);

Checklist:

• The code change is tested and works locally.
• Tests have been added to verify that the new code works (under tests/ folder).

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated in esphome-docs.

[clydebarrow]

Not being a Windows user, I can't test, but since it has zero impact on anything else it LGTM.

[maruel]

Apologies for the force pushed update, I had used an incorrect author email address.