[five-or-more/gsoc-vala-port: 22/29] Use foregtound color for gridlines

[Robert Roth <robertroth src gnome org>]

commit e7b8690397b6c0ded3f646ff7846bf5a91643811
Author: Ruxandra Simion <ruxandra simion93 gmail com>
Date:   Fri Aug 3 18:40:12 2018 +0300

    Use foregtound color for gridlines

 src-vala/view.vala | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/src-vala/view.vala b/src-vala/view.vala
index f1e7486..41b5be8 100644
--- a/src-vala/view.vala
+++ b/src-vala/view.vala
@@ -184,8 +184,7 @@ public class View : Gtk.DrawingArea
 
     private void draw_gridlines (Cairo.Context cr)
     {
-        Gdk.RGBA grid_color = Gdk.RGBA ();
-        grid_color.parse ("#525F6C");
+        Gdk.RGBA grid_color = this.get_style_context ().get_color (Gtk.StateFlags.NORMAL);
         Gdk.cairo_set_source_rgba (cr, grid_color);
         cr.set_line_width (2.0);