[gtk+/gtk-3-10] docs: remove spurious quotation mark

[Matthias Clasen <matthiasc src gnome org>]

commit 2206667f10c531f9cc05a1c9f430720f12bed457
Author: William Jon McCann <william jon mccann gmail com>
Date:   Tue Jan 28 15:57:47 2014 -0500

    docs: remove spurious quotation mark

 gtk/gtkdialog.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkdialog.c b/gtk/gtkdialog.c
index 4de0c90..5573f64 100644
--- a/gtk/gtkdialog.c
+++ b/gtk/gtkdialog.c
@@ -143,7 +143,7 @@
  * <title>A <structname>GtkDialog</structname> UI definition fragment.</title>
  * <programlisting><![CDATA[
  * <object class="GtkDialog" id="dialog1">
- *   <child internal-child="vbox">"
+ *   <child internal-child="vbox">
  *     <object class="GtkVBox" id="vbox">
  *       <child internal-child="action_area">
  *         <object class="GtkHButtonBox" id="button_box">