postfixadmin-cli.php:

- __parse_params(): only check for first character if $params[$i]
  is not empty (avoids PHP warning)


git-svn-id: https://svn.code.sf.net/p/postfixadmin/code/trunk@1660 a1433add-5e2c-0410-b055-b7f2511e0802

scripts/postfixadmin-cli.php

@@ -408,7 +408,7 @@ class PostfixAdmin {
                 $count = count($params);
                 for ($i = 0; $i < $count; $i++) {
                         if (isset($params[$i])) {
-                                if ($params[$i]{0} === '-') {
+                                if ($params[$i] != '' && $params[$i]{0} === '-') {
                                         $key = substr($params[$i], 1);
                                         $this->params[$key] = true;
                                         unset($params[$i]);