Use Horde_String::ucfirst().

diff --git a/framework/Core/lib/Horde/Registry.php b/framework/Core/lib/Horde/Registry.php
index 1381faa..3738ec8 100644 (file)
--- a/framework/Core/lib/Horde/Registry.php
+++ b/framework/Core/lib/Horde/Registry.php
@@ -407,7 +407,7 @@ class Horde_Registry
 
         /* Can't autoload here, since the application may not have been
          * initialized yet. */
-        $classname = ucfirst($app) . '_Api';
+        $classname = Horde_String::ucfirst($app) . '_Api';
         if (!@include_once $this->get('fileroot', $app) . '/lib/Api.php') {
             throw new Horde_Exception('Application ' . $app . ' is missing its API file.');
         }