[gnome-system-monitor] Fixed occasional segmentation fault on application close

[Robert Roth <robertroth src gnome org>]

commit 94e1a9bb8a9aaacec8f7935ed4c052f7bf940e9c
Author: Robert Roth <robert roth off gmail com>
Date:   Fri Sep 28 00:33:39 2012 +0300

    Fixed occasional segmentation fault on application close

 src/callbacks.cpp |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)
---
diff --git a/src/callbacks.cpp b/src/callbacks.cpp
index 926fab0..f4f1bb4 100644
--- a/src/callbacks.cpp
+++ b/src/callbacks.cpp
@@ -477,15 +477,16 @@ cb_timeout (gpointer data)
 {
     ProcData * const procdata = static_cast<ProcData*>(data);
     guint new_interval;
+    if (!procdata->terminating) {
+        proctable_update_all (procdata);
 
-    proctable_update_all (procdata);
-
-    if (procdata->smooth_refresh->get(new_interval))
-    {
-        procdata->timeout = g_timeout_add(new_interval,
+        if (procdata->smooth_refresh->get(new_interval))
+        {
+            procdata->timeout = g_timeout_add(new_interval,
                                           cb_timeout,
                                           procdata);
-        return FALSE;
+            return FALSE;
+        }
     }
 
     return TRUE;