New review comment by ahesford on void-packages repository

https://github.com/void-linux/void-packages/pull/27184#discussion_r545313613

Comment:
When I attempt to launch this, I get
```
020-12-17 13:33:08.904 Terminal[11578:11578] Did not find correct version of backend (libgnustep-back-028.bundle), falling back to std (libgnustep-back.bundle).
2020-12-17 13:33:08.904 Terminal[11578:11578] NSApplication.m:304  Assertion failed in initialize_gnustep_backend.  Unable to find backend back
Terminal: Uncaught exception NSInternalInconsistencyException, reason: NSApplication.m:304  Assertion failed in initialize_gnustep_backend.  Unable to find backend back
```
Perhaps you are missing some more `depends`?