[gnome-sudoku] view: Increase line width

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 1cbb63f05fa1d8d0ad3d1fbd09dad618eaae9082
Author: Karanbir Chahal <karanbleep gmail com>
Date:   Thu Oct 29 07:18:56 2015 +0530

    view: Increase line width
    
    Previously the thickness of all the lines of both the number boxes and
    grids were same , the only thing to differentiate between the two was
    the colour difference between the lines.This was unsatisfactory hence
    this commit fixes the problem by increasing the line width of the lines
    drawn to specify the 9 grids.
    The line width has been increased  from 1 px to 2 px using the
    function set_line_width.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=749757

 src/sudoku-view.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/sudoku-view.vala b/src/sudoku-view.vala
index afc837a..a6eebde 100644
--- a/src/sudoku-view.vala
+++ b/src/sudoku-view.vala
@@ -604,6 +604,7 @@ public class SudokuView : Gtk.AspectFrame
         }
         c.stroke ();
 
+        c.set_line_width (2);
         c.set_source_rgb (0.0, 0.0, 0.0);
         for (var i = 0; i <= game.board.cols; i += game.board.block_cols)
         {