[gtk+] gtk: Fix out-param annotation of gtk_theming_engine_get_style_property

[Rico Tzschichholz <ricotz src gnome org>]

commit 4665b95687d0ab8ace61261a1acfc756c33e9f82
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed Aug 20 08:55:53 2014 +0200

    gtk: Fix out-param annotation of gtk_theming_engine_get_style_property

 gtk/gtkthemingengine.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkthemingengine.c b/gtk/gtkthemingengine.c
index 580e8a5..1aa6011 100644
--- a/gtk/gtkthemingengine.c
+++ b/gtk/gtkthemingengine.c
@@ -433,7 +433,7 @@ gtk_theming_engine_get (GtkThemingEngine *engine,
  * gtk_theming_engine_get_style_property:
  * @engine: a #GtkThemingEngine
  * @property_name: the name of the widget style property
- * @value: Return location for the property value, free with
+ * @value: (out): Return location for the property value, free with
  *         g_value_unset() after use.
  *
  * Gets the value for a widget style property.