Sometimes get: terminate called after throwing an instance of 'std::logic_error'

[lbt]

The following error occurs when there's a dangling symlink in the tree being watched:

terminate called after throwing an instance of 'std::logic_error' what(): Could not stat file of unknown type Aborted

This PR fixes it for me: https://github.com/mhallin/notify-forwarder/pull/9

The repo seems quite inactive so maybe this issue/PR will help someone else :)