Remove 'function' keyword from '_warn_deprecated_winver' for compatibility with standard shell
Remove 'function' keyword from '_warn_deprecated_winver' for compatibility with standard shell

Causes an error when I execute a shell with 'dash'; removing it seems to restore expected behavior (unable to test the actual condition)
waterlan/MSYS2-packages,waterlan/MSYS2-packages,JPeterMugaas/MSYS2-packages,JPeterMugaas/MSYS2-packages,waterlan/MSYS2-packages,JPeterMugaas/MSYS2-packages,mati865/MSYS2-packages,mati865/MSYS2-packages,mati865/MSYS2-packages,waterlan/MSYS2-packages,mati865/MSYS2-packages,JPeterMugaas/MSYS2-packages