Always built certificate chain files for tests
Always built certificate chain files for tests

Otherwise test-00_basic fails, because it loads the chain file. This
didn't show up earlier because openssl is installed almost everywhere,
so the OCSP testing code was enabled. But it wasn't in my Alpine
container. ;-)

airtower-luna/mod_gnutls,airtower-luna/mod_gnutls,airtower-luna/mod_gnutls