Don't need to save if nothing happens

src/freedombone-ddns

                --yesno $"\\nConfigure a dynamic DNS service?\\n\\nIf it is already handled by your internet router then select 'no'." 10 50
         sel=$?
         case $sel in
-            0) dynamic_dns_setup;;
+            0) dynamic_dns_setup
+               ;;
             255) exit 1;;
         esac
     fi
-    save_configuration_values
 }
 
 if [ ! "$CONFIGURATION_FILE" ]; then