hg: jdk9/client/jdk: 8155690: Update libPNG library to the latest up-to-date

[alexander.zvegintsev at oracle.com]

Changeset: ba155d4962c2
Author:    azvegint
Date:      2016-08-10 02:50 +0300
URL:       http://hg.openjdk.java.net/jdk9/client/jdk/rev/ba155d4962c2

8155690: Update libPNG library to the latest up-to-date
Reviewed-by: serb

! src/java.desktop/share/native/libsplashscreen/libpng/CHANGES
! src/java.desktop/share/native/libsplashscreen/libpng/LICENSE
! src/java.desktop/share/native/libsplashscreen/libpng/README
! src/java.desktop/share/native/libsplashscreen/libpng/png.c
! src/java.desktop/share/native/libsplashscreen/libpng/png.h
! src/java.desktop/share/native/libsplashscreen/libpng/pngconf.h
! src/java.desktop/share/native/libsplashscreen/libpng/pngdebug.h
! src/java.desktop/share/native/libsplashscreen/libpng/pngerror.c
! src/java.desktop/share/native/libsplashscreen/libpng/pngget.c
! src/java.desktop/share/native/libsplashscreen/libpng/pnginfo.h
! src/java.desktop/share/native/libsplashscreen/libpng/pnglibconf.h
! src/java.desktop/share/native/libsplashscreen/libpng/pngmem.c
! src/java.desktop/share/native/libsplashscreen/libpng/pngpread.c
! src/java.desktop/share/native/libsplashscreen/libpng/pngpriv.h
! src/java.desktop/share/native/libsplashscreen/libpng/pngread.c
! src/java.desktop/share/native/libsplashscreen/libpng/pngrio.c
! src/java.desktop/share/native/libsplashscreen/libpng/pngrtran.c
! src/java.desktop/share/native/libsplashscreen/libpng/pngrutil.c
! src/java.desktop/share/native/libsplashscreen/libpng/pngset.c
! src/java.desktop/share/native/libsplashscreen/libpng/pngstruct.h
! src/java.desktop/share/native/libsplashscreen/libpng/pngtest.c
! src/java.desktop/share/native/libsplashscreen/libpng/pngtrans.c
! src/java.desktop/share/native/libsplashscreen/libpng/pngwio.c
! src/java.desktop/share/native/libsplashscreen/libpng/pngwrite.c
! src/java.desktop/share/native/libsplashscreen/libpng/pngwtran.c
! src/java.desktop/share/native/libsplashscreen/libpng/pngwutil.c