[gtk+] gtkswitch: Fix docs

[Jasper St. Pierre <jstpierre src gnome org>]

commit fc75f459b03179d6a57f6764ed3f631b4e44a51f
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Sun Jun 29 18:35:31 2014 -0400

    gtkswitch: Fix docs

 gtk/gtkswitch.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkswitch.c b/gtk/gtkswitch.c
index 4e5c421..5677fa8 100644
--- a/gtk/gtkswitch.c
+++ b/gtk/gtkswitch.c
@@ -885,6 +885,7 @@ gtk_switch_class_init (GtkSwitchClass *klass)
   /**
    * GtkSwitch::state-set:
    * @widget: the object on which the signal was emitted
+   * @state: the new state of the switch
    *
    * The ::state-set signal on GtkSwitch is emitted to change the underlying
    * state. It is emitted when the user changes the switch position. The