[gtk+] menubutton: use consistent parameter names

[Cosimo Cecchi <cosimoc src gnome org>]

commit f6079f640630fcecc1364446a932261bb961c032
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Tue Aug 21 11:14:16 2012 +0200

    menubutton: use consistent parameter names
    
    Or the introspection scanner will emit a warning.

 gtk/gtkmenubutton.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkmenubutton.h b/gtk/gtkmenubutton.h
index f03e8a9..f8cb55f 100644
--- a/gtk/gtkmenubutton.h
+++ b/gtk/gtkmenubutton.h
@@ -66,7 +66,7 @@ GtkWidget   *gtk_menu_button_new            (void);
 
 GDK_AVAILABLE_IN_3_6
 void         gtk_menu_button_set_popup      (GtkMenuButton *menu_button,
-                                             GtkWidget     *menu);
+                                             GtkWidget     *popup);
 GDK_AVAILABLE_IN_3_6
 GtkMenu     *gtk_menu_button_get_popup      (GtkMenuButton *menu_button);