Update GIFLIB to 5.1.4 DO NOT MERGE am: 75c90ad75c  -s ours am: fcb372c282 am: 7998de9149  -s ours am: d7a50967ff am: 301b8f1180 am: cb0795e294 am: 23053275eb  -s ours am: 48f08e868d
am: 3bc10ac120

Change-Id: Iccca4d1f4ef38544b93e2a7a42fb69e15214ddec