[libpng] Correct BuildRequires on autoconf to 2.68 (#1008101)

[Petr Hracek]

commit dd33ef42a18ae1d039d40a77de910540e8296b59
Author: Petr Hracek <phracek at redhat.com>
Date:   Wed Sep 25 13:40:50 2013 +0200

    Correct BuildRequires on autoconf to 2.68 (#1008101)

 libpng.spec |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/libpng.spec b/libpng.spec
index 73a658e..adaff45 100644
--- a/libpng.spec
+++ b/libpng.spec
@@ -2,7 +2,7 @@ Summary: A library of functions for manipulating PNG image format files
 Name: libpng
 Epoch: 2
 Version: 1.6.6
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: zlib
 Group: System Environment/Libraries
 URL: http://www.libpng.org/pub/png/
@@ -16,7 +16,7 @@ Source1: pngusr.dfa
 Patch0: libpng-multilib.patch
 
 BuildRequires: zlib-devel, pkgconfig, libtool
-BuildRequires: autoconf >= 2.65
+BuildRequires: autoconf >= 2.68
 BuildRequires: automake
 
 %description
@@ -110,6 +110,9 @@ make check
 %{_bindir}/pngfix
 
 %changelog
+* Wed Sep 25 2013 Petr Hracek <phracek at redhat.com> - 2:1.6.6-2
+- Correct BuildRequires on autoconf to 2.68 (#1008101)
+
 * Tue Sep 24 2013 Jaromir Koncicky <jkoncick at redhat.com> - 2:1.6.6-1
 - New upstream version 1.6.6 (#1007757)