https://bugzilla.redhat.com/show_bug.cgi?id=1186988
--- Comment #3 from Philip Prindeville philipp@redfish-solutions.com --- (In reply to Paul Howarth from comment #2)
I don't think it breaks ABI.
Philip, if there's an ABI change then 1.6.4 can't be pushed to F-20 and F-21.
No, it's ABI compatible. But it introduces some new symbols (like GEOIP_SILENT) which fixes a bug where libGeoIP would write error messages to stderr.