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 am: 41e3a5af5a am: 536f0da4d4 am: 4872f67838
am: a8cf219774  -s ours

Change-Id: Ibd206d19b22779110cbd3cb3f451a8cf58c27d7b