[glib] Fix up the gtk-doc comment for the GSettings::changed signal

[Richard Hughes <rhughes src gnome org>]

commit 890a842b2692292d207e1c473718c57ee1e51c32
Author: Richard Hughes <richard hughsie com>
Date:   Tue Apr 20 16:14:11 2010 +0100

    Fix up the gtk-doc comment for the GSettings::changed signal

 gio/gsettings.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gio/gsettings.c b/gio/gsettings.c
index 0326f0b..f8d0150 100644
--- a/gio/gsettings.c
+++ b/gio/gsettings.c
@@ -549,6 +549,7 @@ g_settings_class_init (GSettingsClass *class)
   /**
    * GSettings::changed:
    * @settings: the object on which the signal was emitted
+   * @key: the name of the key that changed
    *
    * The "changed" signal is emitted when a key has potentially changed.
    * You should call one of the g_settings_get() calls to check the new