[totem] main: Add missing introspection annotation

[Bastien Nocera <hadess src gnome org>]

commit e1bf4ed339fbfb18f784fdd4524f18b8faa6d562
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Mar 14 17:05:06 2014 +0100

    main: Add missing introspection annotation
    
    For totem_interface_create_header_button().

 src/totem-interface.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/src/totem-interface.c b/src/totem-interface.c
index e8584fe..a6930bd 100644
--- a/src/totem-interface.c
+++ b/src/totem-interface.c
@@ -349,6 +349,15 @@ totem_interface_set_transient_for (GtkWindow *window, GtkWindow *parent)
                                      GTK_WINDOW (parent));
 }
 
+/**
+ * totem_interface_create_header_button:
+ * @header: The header widget to put the button in
+ * @button: The button to use in the header
+ * @icon_name: The icon name for the button image
+ * @pack_type: A #GtkPackType to tell us where to include the button
+ *
+ * Return value: (transfer none): the button passed as input
+ */
 GtkWidget *
 totem_interface_create_header_button (GtkWidget  *header,
                                      GtkWidget  *button,