ffprobe: added EOF to the list of ignored errors
ffprobe: added EOF to the list of ignored errors

As reported in https://github.com/fluent-ffmpeg/node-fluent-ffmpeg/issues/601, there sometimes are an EOF error on ffprobe process close which prevent from retrieving the metadata even though they have been successfully extracted.
fluent-ffmpeg/node-fluent-ffmpeg,fluent-ffmpeg/node-fluent-ffmpeg,streamablevideo/node-fluent-ffmpeg,streamablevideo/node-fluent-ffmpeg,fluent-ffmpeg/node-fluent-ffmpeg,streamablevideo/node-fluent-ffmpeg