Michael 193664b3f7 [slack] Add missing library (#378) ...

Fixes

  /usr/lib/slack/slack: error while loading shared libraries:
  libgtk-3.so.0: cannot open shared object file: No such file or
  directory

2018-05-17 00:47:07 -07:00

..

Dockerfile

[slack] Add missing library (#378)

2018-05-17 00:47:07 -07:00