check_webservice_load.sh: adjust determin mysql service file if parallel installations are present.

check_webservice_load.sh

@@ -228,8 +228,8 @@ if $check_mysql ; then
             | grep -q -E "(enabled|disabled)" 2> /devnull ; then
 
          MYSQLD_SERVICE_FILE=$(systemctl -t service list-unit-files \
-                                 | grep -e "^mysql" \
-                                 | grep -e " enabled" \
+                                 | grep -e "^mysql[^0-9]*\.service" \
+                                 | grep -E " enabled" \
                                  | awk '{print$1}'\
                                  | head -1)
       fi