Merge pull request #71 from novatex/master

Initialize $data in case there are no results

Author: willdurand

Logger/GeocoderLogger.php

@@ -48,6 +48,7 @@ public function logRequest($value, $duration, $providerClass, $results)
         }
 
         if ($results instanceof \SplObjectStorage) {
+            $data = array();
             foreach ($results as $result) {
                 $data[] = $result->toArray();
             }