[libxslt] Fix a couple of GPL licences found in the documentation

[Daniel Veillard <veillard src gnome org>]

commit fd83a88ce3f68db599a3a2c8f018cbc66f9be19b
Author: Daniel Veillard <veillard redhat com>
Date:   Fri Oct 16 22:03:27 2015 +0800

    Fix a couple of GPL licences found in the documentation
    
    https://mail.gnome.org/archives/xml/2015-September/msg00003.html
    Got approval from John Fleck and Panos Louridas

 doc/tutorial/libxslt_tutorial.c |   18 +++---------------
 doc/tutorial2/libxslt_pipes.c   |   16 ++--------------
 2 files changed, 5 insertions(+), 29 deletions(-)
---
diff --git a/doc/tutorial/libxslt_tutorial.c b/doc/tutorial/libxslt_tutorial.c
index 9356369..64718f5 100644
--- a/doc/tutorial/libxslt_tutorial.c
+++ b/doc/tutorial/libxslt_tutorial.c
@@ -3,23 +3,11 @@
  * libxslt_tutorial.c: demo program for the XSL Transformation 1.0 engine
  *
  * based on xsltproc.c, by Daniel Veillard imag fr
- * by John Fleck 
+ * by John Fleck
  *
- * This program 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; either version 2 of the License, or
- * (at your option) any later version.
+ * See Copyright for the status of this software.
  *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc.,  59 Temple Place - Suite 330, Cambridge, MA 02139, USA.
- *
- */ 
+ */
 
 #include <string.h>
 #include <libxml/xmlmemory.h>
diff --git a/doc/tutorial2/libxslt_pipes.c b/doc/tutorial2/libxslt_pipes.c
index 43d751f..44056c1 100644
--- a/doc/tutorial2/libxslt_pipes.c
+++ b/doc/tutorial2/libxslt_pipes.c
@@ -4,21 +4,9 @@
  *
  * Writen by Panos Louridas, based on libxslt_tutorial.c by John Fleck.
  *
- * This program 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; either version 2 of the License, or
- * (at your option) any later version.
+ * See Copyright for the status of this software.
  *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc.,  59 Temple Place - Suite 330, Cambridge, MA 02139, USA.
- *
- */ 
+ */
 
 #include <stdio.h>
 #include <string.h>