[gtk+] docs: Fix annotation for GtkGLArea::resize signal

[Emmanuele Bassi <ebassi src gnome org>]

commit 7410a4a994eb4b0f0696cab9651c5b834ffc76cd
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Thu Jun 11 11:39:38 2015 +0100

    docs: Fix annotation for GtkGLArea::resize signal
    
    We need to document all arguments for the signal, for both gtk-doc and
    introspection.

 gtk/gtkglarea.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkglarea.c b/gtk/gtkglarea.c
index bec7922..5cf8bf2 100644
--- a/gtk/gtkglarea.c
+++ b/gtk/gtkglarea.c
@@ -886,6 +886,8 @@ gtk_gl_area_class_init (GtkGLAreaClass *klass)
   /**
    * GtkGLArea::resize:
    * @area: the #GtkGLArea that emitted the signal
+   * @width: the width of the viewport
+   * @height: the height of the viewport
    *
    * The ::resize signal is emitted once when the widget is realized, and
    * then each time the widget is changed while realized. This is useful