[gtk+] Add a missing id to the docs

[Matthias Clasen <matthiasc src gnome org>]

commit 09a52de4785b4db0e65d9d7c919d693f1a34fb5a
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jan 31 07:37:36 2011 -0500

    Add a missing id to the docs

 gtk/gtkcssprovider.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkcssprovider.c b/gtk/gtkcssprovider.c
index 2c1b8ad..4555229 100644
--- a/gtk/gtkcssprovider.c
+++ b/gtk/gtkcssprovider.c
@@ -290,7 +290,7 @@
  * &commat;import url ("path/to/common.css");
  * </programlisting>
  * </example>
- * <para>
+ * <para id="css-binding-set">
  * In order to extend key bindings affecting different widgets, GTK+
  * supports the &commat;binding-set rule to parse a set of bind/unbind
  * directives, see #GtkBindingSet for the supported syntax. Note that