[gnome-shell] Document --clutter-display in the man page

[Matthias Clasen <matthiasc src gnome org>]

commit 2a550e6466e820f8bc3171d8f0054ee880399089
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue May 14 16:20:43 2013 -0400

    Document --clutter-display in the man page
    
    This is the sole option that was missing from the
    man page.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=700339

 man/gnome-shell.xml |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/man/gnome-shell.xml b/man/gnome-shell.xml
index fa9e7d1..90b194e 100644
--- a/man/gnome-shell.xml
+++ b/man/gnome-shell.xml
@@ -125,6 +125,12 @@
                                 <listitem><para>List possible modes and exit</para></listitem>
                         </varlistentry>
 
+                        <varlistentry>
+                                
<term><option>--clutter-display=<replaceable>DISPLAY</replaceable></option></term>
+
+                                <listitem><para>Clutter the option display (otherwise 
ignored)</para></listitem>
+                        </varlistentry>
+
                 </variablelist>
 
         </refsect1>