update regarding new license guidelines

optipng.spec

@@ -1,10 +1,10 @@
 Name:           optipng
 Version:        0.5.5
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        A PNG optimizer and converter
 
 Group:          Applications/Multimedia
-License:        zlib/libpng
+License:        zlib
 URL:            http://optipng.sourceforge.net/
 Source0:        http://surfnet.dl.sourceforge.net/sourceforge/optipng/optipng-%{version}.tar.gz
 Patch1:         optipng-0.5.4-makefile-externlibs.patch
@@ -51,6 +51,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Thu Aug 02 2007 Till Maas <opensource till name> - 0.5.5-3
+- update License: Tag according to new Guidelines
+
 * Wed Feb 14 2007 Till Maas <opensource till name> - 0.5.5-2
 - rebuild because of new libpng