hg: jdk8u/jdk8u-dev/jdk: 8077982: GIFLIB upgrade

[alexander.zvegintsev at oracle.com]

Changeset: 1e595c8af465
Author:    azvegint
Date:      2015-04-30 16:02 +0300
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/jdk/rev/1e595c8af465

8077982: GIFLIB upgrade
Reviewed-by: ant, serb

+ src/share/native/sun/awt/giflib/COPYING
! src/share/native/sun/awt/giflib/dgif_lib.c
! src/share/native/sun/awt/giflib/gif_err.c
+ src/share/native/sun/awt/giflib/gif_hash.h
! src/share/native/sun/awt/giflib/gif_lib.h
! src/share/native/sun/awt/giflib/gif_lib_private.h
! src/share/native/sun/awt/giflib/gifalloc.c
! src/share/native/sun/awt/splashscreen/splashscreen_gif.c