[gtk+] Fix license version for GtkFileChooserWidget private header

[Emmanuele Bassi <ebassi src gnome org>]

commit 0d48a308ae35b919d94e82a6ae72a89a36128071
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Thu Nov 19 12:33:07 2015 +0000

    Fix license version for GtkFileChooserWidget private header
    
    Since it's using Lesser GPL, use version 2.1; there is no Lesser GPL v2,
    as it was called 'Library GPL' prior to v2.1.

 gtk/gtkfilechooserwidgetprivate.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkfilechooserwidgetprivate.h b/gtk/gtkfilechooserwidgetprivate.h
index 24aafd0..2c00f6f 100644
--- a/gtk/gtkfilechooserwidgetprivate.h
+++ b/gtk/gtkfilechooserwidgetprivate.h
@@ -4,7 +4,7 @@
  *
  * This file is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2 of the
+ * published by the Free Software Foundation; either version 2.1 of the
  * License, or (at your option) any later version.
  *
  * This file is distributed in the hope that it will be useful, but
@@ -12,7 +12,7 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
+ * You should have received a copy of the GNU Lesser General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  * Authors: Matthias Clasen