[pango] adding allow-none introspection metadata to pango_layout_get_pixel_size

[Alberto Ruiz <aruiz src gnome org>]

commit 31257eceac3dbe9bc267775dc35b187b99f7ac7d
Author: Alberto Ruiz <aruiz gnome org>
Date:   Mon Apr 25 15:29:39 2011 +0100

    adding allow-none introspection metadata to pango_layout_get_pixel_size

 pango/pango-layout.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/pango/pango-layout.c b/pango/pango-layout.c
index ba22de3..b67745d 100644
--- a/pango/pango-layout.c
+++ b/pango/pango-layout.c
@@ -2671,8 +2671,8 @@ pango_layout_get_size (PangoLayout *layout,
 /**
  * pango_layout_get_pixel_size:
  * @layout: a #PangoLayout
- * @width: (out): location to store the logical width, or %NULL
- * @height: (out): location to store the logical height, or %NULL
+ * @width: (out) (allow-none): location to store the logical width, or %NULL
+ * @height: (out) (allow-none): location to store the logical height, or %NULL
  *
  * Determines the logical width and height of a #PangoLayout
  * in device units. (pango_layout_get_size() returns the width