Bug#888780: vibe.d: FTBFS: meson: Subproject_dir must not contain a path segment

[Emilio Pozuelo Monfort]

Source: vibe.d
Version: 0.8.1-2
Severity: serious

On a rebuild against new libphobos, your package failed to build from source,
see:

https://buildd.debian.org/status/package.php?p=vibe.d

Cheers,
Emilio