[gnome-system-monitor] Make SmoothRefresh non-copyable.

[Robert Roth <robertroth src gnome org>]

commit 9dccfc876864ea00cd78e519136fcbf0335d5f64
Author: Benoît Dejean <bdejean gmail com>
Date:   Wed Apr 23 12:32:47 2014 +0200

    Make SmoothRefresh non-copyable.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=742070

 src/smooth_refresh.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/smooth_refresh.h b/src/smooth_refresh.h
index dadba7b..c83693f 100644
--- a/src/smooth_refresh.h
+++ b/src/smooth_refresh.h
@@ -6,11 +6,14 @@
 #include <gio/gio.h>
 #include <string>
 
+#include "util.h"
+
 using std::string;
 
 
 
 class SmoothRefresh
+  : private procman::NonCopyable
 {
   public: