silence _BSD_SOURCE deprecation warnings in GCC 4.9+
silence _BSD_SOURCE deprecation warnings in GCC 4.9+

JeremyGrosser/statsrelay,uber/statsrelay,uber/statsrelay,JeremyGrosser/statsrelay,JeremyGrosser/statsrelay,uber/statsrelay,statsrelay/statsrelay,statsrelay/statsrelay,statsrelay/statsrelay