ZF-8460: Replace call to Zend_Gdata::setStaticHttpClient() with self::setStaticHttpClient() in Zend_Gdata_App.

Zend_Gdata inherits from Zend_Gdata_App, so this call shouldn't be allowed.

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@19508 44c647ce-9c0f-0410-b52a-842ac1e357ba

library/Zend/Gdata/App.php

@@ -256,7 +256,7 @@ class Zend_Gdata_App
             )
         );
         $this->_httpClient = $client;
-        Zend_Gdata::setStaticHttpClient($client);
+        self::setStaticHttpClient($client);
         return $this;
     }