[gnome-sudoku] Update about dialog

[Sahil Sareen <ssareen src gnome org>]

commit f4b8cd7db9bd2de1747b2910cbb031a111ead0dc
Author: Sahil Sareen <sahil sareen hotmail com>
Date:   Thu Mar 3 07:15:06 2016 +0530

    Update about dialog

 src/gnome-sudoku.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gnome-sudoku.vala b/src/gnome-sudoku.vala
index 114594e..6a57c86 100644
--- a/src/gnome-sudoku.vala
+++ b/src/gnome-sudoku.vala
@@ -629,7 +629,7 @@ public class Sudoku : Gtk.Application
                                /* Appears on the About dialog. %s is the version of the QQwing puzzle 
generator in use. */
                                "comments", _("The popular Japanese logic puzzle\n\nPuzzles generated by 
QQwing %s".printf (SudokuGenerator.qqwing_version ())),
                                "copyright", "Copyright © 2005–2008 Thomas M. Hinkle\nCopyright © 2010–2011 
Robert Ancell\nCopyright © 2014 Parin Porecha",
-                               "license-type", License.GPL_2_0,
+                               "license-type", License.GPL_3_0,
                                "authors", authors,
                                "artists", null,
                                "translator-credits", _("translator-credits"),