[pango] adding allow-none introspection metadata to pango_matrix_transform_pixel_rectangle

[Alberto Ruiz <aruiz src gnome org>]

commit 646a51dfad73beee3ddb578f305d064cdf056b98
Author: Alberto Ruiz <aruiz gnome org>
Date:   Mon Apr 25 16:37:36 2011 +0100

    adding allow-none introspection metadata to pango_matrix_transform_pixel_rectangle

 pango/pango-matrix.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/pango/pango-matrix.c b/pango/pango-matrix.c
index f3a47e4..08f9665 100644
--- a/pango/pango-matrix.c
+++ b/pango/pango-matrix.c
@@ -388,7 +388,7 @@ pango_matrix_transform_rectangle (const PangoMatrix *matrix,
 /**
  * pango_matrix_transform_pixel_rectangle:
  * @matrix: a #PangoMatrix, or %NULL
- * @rect: in/out bounding box in device units, or %NULL
+ * @rect: (allow-none): in/out bounding box in device units, or %NULL
  *
  * First transforms the @rect using @matrix, then calculates the bounding box
  * of the transformed rectangle.  The rectangle should be in device units