Fix display of nan% in CPU meters

(Fix by Steven Hampson)

CPUMeter.c

@@ -47,7 +47,7 @@ static void CPUMeter_setValues(Meter* this, char* buffer, int size) {
       snprintf(buffer, size, "absent");
       return;
    }
-   double total = (double) pl->totalPeriod[processor];
+   double total = (double) (pl->totalPeriod[processor] == 0 ? 1 : pl->totalPeriod[processor]);
    double cpu;
    this->values[0] = pl->nicePeriod[processor] / total * 100.0;
    this->values[1] = pl->userPeriod[processor] / total * 100.0;

ChangeLog

@@ -9,6 +9,8 @@ What's new in version 0.8.4
   (thanks to Tom Callaway)
 * getopt-based long options and --no-color
   (thanks to Vincent Launchbury)
+* BUGFIX: Fix display of nan% in CPU meters
+  (thanks to Steven Hampson)
 * BUGFIX: Fix memory leak
   (thanks to Pavol Rusnak)
 * Add Bash/emacs style navigation keys