syntax error "Bad fd number" when stopping libvirt-guests

When libvirt-guests is being stopped, I get the following message:
$Running guests on default URI: test-vm
$Suspending guests on default URI...
$Suspending test-vm: /etc/init.d/libvirt-guests: 340: Syntax error: Bad fd
number

AUTHORS

@@ -137,6 +137,7 @@ Patches have also been contributed by:
   Kamezawa Hiroyuki    <kamezawa.hiroyu@jp.fujitsu.com>
   Wen Congyang         <wency@cn.fujitsu.com>
   Hu Tao               <hutao@cn.fujitsu.com>
+  Laurent Léonard      <laurent@open-minds.org>
 
   [....send patches to get your name here....]
 

tools/libvirt-guests.init.in

@@ -177,7 +177,7 @@ suspend_guest()
     virsh_pid=$!
     while true; do
         sleep 1
-        kill -0 $virsh_pid >&/dev/null || break
+        kill -0 $virsh_pid >/dev/null 2>&1 || break
         progress=$(run_virsh_c $uri domjobinfo $guest 2>/dev/null | \
                    awk '/^Data processed:/{print $3, $4}')
         if [ -n "$progress" ]; then