Storing results file in cron hook... forgot this yesterday..

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@1324 44740490-163a-0410-bde0-09ae8108e29a

modules/statistics/hooks/hook_cron.php

@@ -18,6 +18,11 @@ function statistics_hook_cron(&$croninfo) {
 	try {
 		$aggregator = new sspmod_statistics_Aggregator();
 		$results = $aggregator->aggregate();
+		if (empty($results)) {
+			$croninfo['summary'][] = 'Output from statistics aggregator was empty.';
+		} else {
+			$aggregator->store($results);
+		}
 	} catch (Exception $e) {
 		$croninfo['summary'][] = 'Loganalyzer threw exception: ' . $e->getMessage();
 	}