[gtk+] docs: fix typo in gtkbuildable

[SÃbastien Wilmet <swilmet src gnome org>]

commit d2c6a6bdfec768629633ffe0e1957793234d5065
Author: Volker Sobek <reklov live com>
Date:   Sun Dec 16 19:58:31 2012 +0100

    docs: fix typo in gtkbuildable
    
    https://bugzilla.gnome.org/show_bug.cgi?id=690305

 gtk/gtkbuildable.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkbuildable.c b/gtk/gtkbuildable.c
index 47cd426..8867cfd 100644
--- a/gtk/gtkbuildable.c
+++ b/gtk/gtkbuildable.c
@@ -21,7 +21,7 @@
  * @Short_description: Interface for objects that can be built by GtkBuilder
  * @Title: GtkBuildable
  *
- * GtkBuildable allows objects to extend and customize thier deserialization 
+ * GtkBuildable allows objects to extend and customize their deserialization
  * from <link linkend="BUILDER-UI">GtkBuilder UI descriptions</link>.
  * The interface includes methods for setting names and properties of objects, 
  * parsing custom tags and constructing child objects.