Accepting request 354391 from home:jengelh:branches:graphics

- Update to new upstream release 1.6.21

OBS-URL: https://build.opensuse.org/request/show/354391
OBS-URL: https://build.opensuse.org/package/show/graphics/libpng16?expand=0&rev=77

libpng-1.6.20.tar.xz

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-oid sha256:55c5959e9f3484d96141a3226c53bc9da42a4845e70879d3e1d6e94833d1918b
-size 942672

libpng-1.6.20.tar.xz.asc

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libpng-1.6.21.tar.xz

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+oid sha256:6c8f1849eb9264219bf5d703601e5abe92a58651ecae927a03d1a1aa15ee2083
+size 943980

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libpng16.changes

@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Sun Jan 17 14:10:43 UTC 2016 - jengelh@inai.de
+
+- Update to new upstream release 1.6.21
+* Widened the 'limit' check on the internally calculated error limits in
+  the 'DIGITIZE' case (the code used prior to 1.7 for rgb_to_gray error
+  checks) and changed the check to only operate in non-release builds
+  (base build type not RC or RELEASE.)
+* Fixed undefined behavior in pngvalid.c, undefined because
+  (png_byte) << shift is undefined if it changes the signed bit
+  (because png_byte is promoted to int). The libpng exported functions
+  png_get_uint_32 and png_get_uint_16 handle this.
+
 -------------------------------------------------------------------
 Thu Dec  3 15:11:03 UTC 2015 - pgajdos@suse.com
 

libpng16.spec

@@ -1,7 +1,7 @@
 #
 # spec file for package libpng16
 #
-# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -19,7 +19,7 @@
 #
 %define major   1
 %define minor   6
-%define micro   20
+%define micro   21
 %define branch  %{major}%{minor}
 %define libname libpng%{branch}-%{branch}
 
@@ -43,7 +43,6 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 %define debug_package_requires %{libname} = %{version}-%{release}
 
 %package -n %{libname}
-
 Summary:        Library for the Portable Network Graphics Format (PNG)
 Group:          System/Libraries
 # bug437293