GUACAMOLE-154: Bump libtool version-info.
GUACAMOLE-154: Bump libtool version-info.

mike-jumper/incubator-guacamole-server,apache/guacamole-server,mike-jumper/incubator-guacamole-server,mike-jumper/incubator-guacamole-server,glyptodon/guacamole-server,mike-jumper/incubator-guacamole-server,apache/guacamole-server,apache/guacamole-server,glyptodon/guacamole-server,glyptodon/guacamole-server