Snippets for afetch 2.2.0 from Fedora s390x

Sourced from https://kojipkgs.fedoraproject.org/packages/afetch/2.2.0/12.fc45/data/logs/s390x/build.log.

• src/fetch.c:126:21: warning: variable ‘line’ set but not used [-Wunused-but-set-variable=]
    126 |                 int line = 0;
        |                     ^~~~