[gnome-calculator] Adds color to buttons

[Arth Patel <arthpatel src gnome org>]

commit 2bb2d7136200657fc709af8c304a8cf33d92a1b7
Author: elitalobo <loboelita gmail com>
Date:   Mon Aug 18 12:34:50 2014 +0530

    Adds color to buttons
    
    Signed-off-by: PioneerAxon <arth svnit gmail com>

 src/math-buttons.vala |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/math-buttons.vala b/src/math-buttons.vala
index eae87db..3c49726 100644
--- a/src/math-buttons.vala
+++ b/src/math-buttons.vala
@@ -620,6 +620,11 @@ public class MathButtons : Gtk.Box
         var button = builder.get_object (widget_name) as Gtk.Button;
         if (button == null)
             return;
+        if (name == "result") /* Adds blue color to result button */
+            button.get_style_context ().add_class ("suggested-action");
+
+        if (name == "clear") /* Adds red color to clear button */
+            button.get_style_context ().add_class ("destructive-action");
 
         if (data != null)
         {