bugfix(zend) Deprecated: Array and string offset access syntax with curly braces is deprecated (#1344)

Author: daim2k5

lib/Zend/View/Helper/Navigation/Sitemap.php

@@ -253,10 +253,10 @@ public function url(Zend_Navigation_Page $page)
     {
         $href = $page->getHref();
 
-        if (!isset($href{0})) {
+        if (!isset($href[0])) {
             // no href
             return '';
-        } elseif ($href{0} == '/') {
+        } elseif ($href[0] == '/') {
             // href is relative to root; use serverUrl helper
             $url = $this->getServerUrl() . $href;
         } elseif (preg_match('/^[a-z]+:/im', (string) $href)) {