Update GIFLIB to 5.1.4 DO NOT MERGE am: 160402694e am: b9d1aac7b6  -s ours am: 54529030eb am: 271553a9ab am: 1813909837
am: cd2f4359e0  -s ours

Change-Id: I39f8697727bb6afca142db734af5459b2762851c