krb5 included non-free code.
This license is non-free, because This license is categorized "BAD License".
It is non-free. (See source code copyright header)
This bug is already fixed. (Upstream)
I suggest that resolve license problem.
This is Windows-specific code, hence why I didn't backport the commit after reviewing it. It'll get pulled in with krb5-1.15.1.