x11-clocks/wlclock: unbreak fetch due to recompression

> Fetched file size mismatch (expected 34332, actual 34225)

$ gzip -l wlclock-v1.0.1.tar.gz

compressed uncompressed  ratio uncompressed_name

• 34332 143360 76.0% wlclock-v1.0.1.tar

+ 34225 143360 76.1% wlclock-v1.0.1.tar