Avoid too large CPU field widths

In case the current CPU usage percentage is NAN the width calculation is
invalid.  Use the default with of 4, which is appropriate for "N/A ".

1 files changed, 1 insertions, 1 deletions

diff --git a/Process.c b/Process.c
index 9179c0ea..3e0d42bb 100644
--- a/Process.c
+++ b/Process.c
@@ -1071,7 +1071,7 @@ void Process_updateExe(Process* this, const char* exe) {
 }
 
 void Process_updateCPUFieldWidths(float percentage) {
-   if (percentage < 99.9F) {
+   if (percentage < 99.9F || isNaN(percentage)) {
       Row_updateFieldWidth(PERCENT_CPU, 4);
       Row_updateFieldWidth(PERCENT_NORM_CPU, 4);
       return;