fix: Keys double press on Windows (#385) (again)

[Master-Hash]

Tested on Windows and Linux. make test fails because of very sophisticated compilation error, maybe because of my environment.

@lbv points out how to fix it. I just verify that it works on my machine.

Checklist

• The modified code has some test-coverage (where applicable).
• make test is passing (this is what CI runs).
• New unreleased features/fixes/styling and performance improvements are documented via git: feat: / fix: / style: / perf:. Or e.g. perf(highlighting):.
  See https://github.com/altsem/gitu/blob/master/docs/dev-tooling.md