[pango] adding allow-none introspection metadata to pango_font_description_merge parameters

[Alberto Ruiz <aruiz src gnome org>]

commit ff493f9733fb4e3d700b8c880335ca273d22273a
Author: Alberto Ruiz <aruiz gnome org>
Date:   Mon Apr 25 13:22:27 2011 +0100

    adding allow-none introspection metadata to pango_font_description_merge parameters

 pango/fonts.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/pango/fonts.c b/pango/fonts.c
index 800d383..4c33499 100644
--- a/pango/fonts.c
+++ b/pango/fonts.c
@@ -509,7 +509,7 @@ pango_font_description_unset_fields (PangoFontDescription *desc,
 /**
  * pango_font_description_merge:
  * @desc: a #PangoFontDescription
- * @desc_to_merge: the #PangoFontDescription to merge from, or %NULL
+ * @desc_to_merge: (allow-none): the #PangoFontDescription to merge from, or %NULL
  * @replace_existing: if %TRUE, replace fields in @desc with the
  *   corresponding values from @desc_to_merge, even if they
  *   are already exist.