> gnu/packages/java.scm:139:12: ant-1.9.4: all the source URIs are unreachable:
> gnu/packages/java.scm:139:12: ant-1.9.4: URI https://www.apache.org/dist/ant/source/apache-ant-1.9.4-src.tar.gz not reachable: 404 ("Not Found")

I don’t know why people do this but here again the tarballs have been
removed and replaced with those for version 1.9.6.  Here’s another patch
to update our ant package: