fixed a notice when accessing $CONFIG->icon_sizes

diff --git a/engine/lib/views.php b/engine/lib/views.php
index c4b349fc6d6d99a4a30981aa31fb34c4bedefc3e..65ba2020445d54e50298ec4df01099df6c829632 100644 (file)
--- a/engine/lib/views.php
+++ b/engine/lib/views.php
@@ -1638,7 +1638,7 @@ function elgg_views_boot() {
        }
 
        // set default icon sizes - can be overridden in settings.php or with plugin
-       if (!$CONFIG->icon_sizes) {
+       if (!isset($CONFIG->icon_sizes)) {
                $icon_sizes = array(
                        'topbar' => array('w' => 16, 'h' => 16, 'square' => TRUE, 'upscale' => TRUE),
                        'tiny' => array('w' => 25, 'h' => 25, 'square' => TRUE, 'upscale' => TRUE),