turba_shares might not exist

diff --git a/turba/browse.php b/turba/browse.php
index b65fbfe..8e06688 100644 (file)
--- a/turba/browse.php
+++ b/turba/browse.php
@@ -37,7 +37,7 @@ $params = array(
     'addSources' => $addSources,
     'cfgSources' => $cfgSources,
     'attributes' => $attributes,
-    'turba_shares' => $turba_shares,
+    'turba_shares' => isset($turba_shares) ? $turba_shares : null,
     'conf' => $conf,
     'source' => $default_source,
     'browser' => $browser