[gnome-system-monitor] Fixed bogus assignment (bgo #738110)

[Robert Roth <robertroth src gnome org>]

commit 7971dc69c61ab77b776b6dff2b1efcdf66a4b65d
Author: Robert Roth <robert roth off gmail com>
Date:   Thu Dec 4 13:09:52 2014 +0200

    Fixed bogus assignment (bgo #738110)

 src/smooth_refresh.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/smooth_refresh.cpp b/src/smooth_refresh.cpp
index 5c0d9fc..2a233ca 100644
--- a/src/smooth_refresh.cpp
+++ b/src/smooth_refresh.cpp
@@ -30,12 +30,12 @@ unsigned SmoothRefresh::get_own_cpu_usage()
     if (elapsed) { // avoid division by 0
         glibtop_get_proc_time(&proctime, getpid());
         usage = (proctime.rtime - this->last_cpu_time) * 100 / elapsed;
+        this->last_cpu_time = proctime.rtime;
     }
 
     usage = CLAMP(usage, 0, 100);
 
     this->last_total_time = cpu.total;
-    this->last_cpu_time = proctime.rtime;
 
     return usage;
 }