New review comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/29382#discussion_r613197377

Comment:
So, pkgconfig on armv6l says:

```
Libs: -L${libdir} -lguile-2.2 -latomic_ops -lgc
```

I'd suggest adding `libatomic_ops-devel` as a dependency of `guile-devel` instead :)