Martin Lueders requested to merge fix_libvdwxc_m4 into main Oct 23, 2023

Description

The m4 for libvdwxc contained an unused variable which lead to a failure of detecting it.

News snippet

Fix m4 for libvdwxc

Checklist

I have checked that my code follows the Octopus coding standards
I have added tests for all the new features added in this request.