Fix backends/sparc_retval.c license header.
diff --git a/backends/sparc_retval.c b/backends/sparc_retval.c
index 7cd3827..7d7cbf2 100644
--- a/backends/sparc_retval.c
+++ b/backends/sparc_retval.c
@@ -1,15 +1,27 @@
 /* Function return value location for SPARC.
    Copyright (C) 2006, 2007 Red Hat, Inc.
+   This file is part of Red Hat elfutils.
 
-   This program is Open Source software; you can redistribute it and/or
-   modify it under the terms of the Open Software License version 1.0 as
-   published by the Open Source Initiative.
+   Red Hat elfutils is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by the
+   Free Software Foundation; version 2 of the License.
 
-   You should have received a copy of the Open Software License along
-   with this program; if not, you may obtain a copy of the Open Software
-   License version 1.0 from http://www.opensource.org/licenses/osl.php or
-   by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
-   3001 King Ranch Road, Ukiah, CA 95482.   */
+   Red Hat elfutils is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with Red Hat elfutils; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
+
+   Red Hat elfutils is an included package of the Open Invention Network.
+   An included package of the Open Invention Network is a package for which
+   Open Invention Network licensees cross-license their patents.  No patent
+   license is granted, either expressly or impliedly, by designation as an
+   included package.  Should you wish to participate in the Open Invention
+   Network licensing program, please visit www.openinventionnetwork.com
+   <http://www.openinventionnetwork.com>.  */
 
 #ifdef HAVE_CONFIG_H
 # include <config.h>