Update Solr to 6.4.1

library/solr

@@ -15,12 +15,12 @@
 6.3.0-alpine: git://github.com/docker-solr/docker-solr@20e09a91045415c324bb6575bd63191624fa3875 6.3/alpine
 6.3-alpine: git://github.com/docker-solr/docker-solr@20e09a91045415c324bb6575bd63191624fa3875 6.3/alpine
 
-6.4.0: git://github.com/docker-solr/docker-solr@20e09a91045415c324bb6575bd63191624fa3875 6.4
-6.4: git://github.com/docker-solr/docker-solr@20e09a91045415c324bb6575bd63191624fa3875 6.4
-6: git://github.com/docker-solr/docker-solr@20e09a91045415c324bb6575bd63191624fa3875 6.4
-latest: git://github.com/docker-solr/docker-solr@20e09a91045415c324bb6575bd63191624fa3875 6.4
+6.4.1: git://github.com/docker-solr/docker-solr@8afee8bf17a7a3d1fdc453643abfdb5cf2e822d0 6.4
+6.4: git://github.com/docker-solr/docker-solr@8afee8bf17a7a3d1fdc453643abfdb5cf2e822d0 6.4
+6: git://github.com/docker-solr/docker-solr@8afee8bf17a7a3d1fdc453643abfdb5cf2e822d0 6.4
+latest: git://github.com/docker-solr/docker-solr@8afee8bf17a7a3d1fdc453643abfdb5cf2e822d0 6.4
 
-6.4.0-alpine: git://github.com/docker-solr/docker-solr@20e09a91045415c324bb6575bd63191624fa3875 6.4/alpine
-6.4-alpine: git://github.com/docker-solr/docker-solr@20e09a91045415c324bb6575bd63191624fa3875 6.4/alpine
-6-alpine: git://github.com/docker-solr/docker-solr@20e09a91045415c324bb6575bd63191624fa3875 6.4/alpine
-alpine: git://github.com/docker-solr/docker-solr@20e09a91045415c324bb6575bd63191624fa3875 6.4/alpine
+6.4.1-alpine: git://github.com/docker-solr/docker-solr@8afee8bf17a7a3d1fdc453643abfdb5cf2e822d0 6.4/alpine
+6.4-alpine: git://github.com/docker-solr/docker-solr@8afee8bf17a7a3d1fdc453643abfdb5cf2e822d0 6.4/alpine
+6-alpine: git://github.com/docker-solr/docker-solr@8afee8bf17a7a3d1fdc453643abfdb5cf2e822d0 6.4/alpine
+alpine: git://github.com/docker-solr/docker-solr@8afee8bf17a7a3d1fdc453643abfdb5cf2e822d0 6.4/alpine