[gtk+] Fix a missing id in the docs

[Matthias Clasen <matthiasc src gnome org>]

commit 656deeb48942b9a09e352c0f5e4d1dfcc2f75fe2
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Sep 8 15:23:52 2014 -0400

    Fix a missing id in the docs
    
    label-text-layout was missing, causing two broken links further
    down in the page.

 gtk/gtklabel.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c
index 3f549a0..f0bf38f 100644
--- a/gtk/gtklabel.c
+++ b/gtk/gtklabel.c
@@ -169,9 +169,9 @@
  * Labels can be made selectable with gtk_label_set_selectable().
  * Selectable labels allow the user to copy the label contents to
  * the clipboard. Only labels that contain useful-to-copy information
- * &mdash; such as error messages &mdash; should be made selectable.
+ * — such as error messages — should be made selectable.
  *
- * # Text layout
+ * # Text layout # {#label-text-layout}
  *
  * A label can contain any number of paragraphs, but will have
  * performance problems if it contains more than a small number.