undervoltage warnings

home.admin/00infoBlitz.sh

@@ -290,6 +290,6 @@ ${color_yellow}${ln_publicColor}${ln_external}
 "load average:${load##up*,  }" "${temp}" \
 "${hdd}" "${sync_percentage}"
 
-if [ ${#undervoltageReports} -gt 0 ]; then
-  echo "${countReports} undervoltage reports found in syslog"
+if [ ${#undervoltageReports} -gt 0 ] && [ "${undervoltageReports}" != "0" ]; then
+  echo "${undervoltageReports} undervoltage reports found in syslog"
 fi