[pango] adding allow-none introspection metadata to pango_tab_array_get_tab

[Alberto Ruiz <aruiz src gnome org>]

commit cbd5942b82b6b7336accf3fc053366b67a002390
Author: Alberto Ruiz <aruiz gnome org>
Date:   Mon Apr 25 17:31:51 2011 +0100

    adding allow-none introspection metadata to pango_tab_array_get_tab

 pango/pango-tabs.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/pango/pango-tabs.c b/pango/pango-tabs.c
index aec8612..129a318 100644
--- a/pango/pango-tabs.c
+++ b/pango/pango-tabs.c
@@ -283,8 +283,8 @@ pango_tab_array_set_tab  (PangoTabArray *tab_array,
  * pango_tab_array_get_tab:
  * @tab_array: a #PangoTabArray
  * @tab_index: tab stop index
- * @alignment: location to store alignment, or %NULL
- * @location: location to store tab position, or %NULL
+ * @alignment: (allow-none): location to store alignment, or %NULL
+ * @location: (allow-none): location to store tab position, or %NULL
  *
  * Gets the alignment and position of a tab stop.
  *