Typo in 'ffi/primitives.dart'

[Voyz]

This line reads:

https://github.com/dart-lang/samples/blob/main/ffi/primitives/primitives.dart#L46C1-L46C81

        Directory.current.path, 'primitives_library', 'Debug', 'primtives.dll');

That 'primtives.dll' should be 'primitives.dll', it's missing the second i