Fix syntax errors

modules/statistics/config-templates/module_statistics.php

@@ -173,7 +173,7 @@ $config = array (
             'action'       => 'slo-iframe',
             'col'          => 6,                     // Page the user visits.
         ),
-        slofail' => array(
+        'slofail' => array(
             'name'         => 'Failed iframe IdP-init SLOs',
             'descr'        => 'The number of logout failures from various SPs',
             'action'       => 'slo-iframe-fail',

modules/statistics/lib/Aggregator.php

@@ -219,7 +219,7 @@ class sspmod_statistics_Aggregator
     private function cummulateData($previous, $newdata)
     {
         $dataset = array();
-        foreach ($previous sd $slot => $dataarray) {
+        foreach ($previous as $slot => $dataarray) {
             if (!array_key_exists($slot, $dataset)) {
                 $dataset[$slot] = array();
             }

modules/statistics/templates/statistics.tpl.php

@@ -3,7 +3,7 @@ $this->data['header'] = 'SimpleSAMLphp Statistics';
 
 $this->data['jquery'] = array('core' => true, 'ui' => true, 'css' => true);
 
-$this->data['head'] = '$this->data['head']  = '<link rel="stylesheet" type="text/css" href="/' .
+$this->data['head'] = '<link rel="stylesheet" type="text/css" href="/' .
     $this->data['baseurlpath'] . 'module.php/statistics/style.css" />';
 $this->data['head'] .= '<script type="text/javascript">
 $(document).ready(function() {