Update GIFLIB to 5.1.4 DO NOT MERGE am: 16040269 am: b9d1aac7 -s ours am: 54529030 am: 271553a9 am: 18139098 am: cd2f4359 -s ours am: 1ad4af25 am: 9f62ab4d am: 2377469a am: a503777a am: f2a6ed92 am: 785dda21 -s ours Change-Id: I94b7eba2a649c994661fe9c9bc500b6dfbb115d9