[gtk+] gtkcellarea: Use symbolic names for button numbers

[Carlos Garcia Campos <carlosgc src gnome org>]

commit f8e9d264da800f5fe59d569d70c68e87a9adb846
Author: Carlos Garcia Campos <cgarcia igalia com>
Date:   Wed Jan 25 18:20:23 2012 +0100

    gtkcellarea: Use symbolic names for button numbers

 gtk/gtkcellarea.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkcellarea.c b/gtk/gtkcellarea.c
index bb805ee..029695f 100644
--- a/gtk/gtkcellarea.c
+++ b/gtk/gtkcellarea.c
@@ -1069,7 +1069,7 @@ gtk_cell_area_real_event (GtkCellArea          *area,
     {
       GdkEventButton *button_event = (GdkEventButton *)event;
 
-      if (button_event->button == 1)
+      if (button_event->button == GDK_BUTTON_PRIMARY)
         {
           GtkCellRenderer *renderer = NULL;
           GtkCellRenderer *focus_renderer;