Remove yet another level of indentation in Grouping::parse()

library/Solarium/QueryType/Select/ResponseParser/Component/Grouping.php

@@ -73,7 +73,10 @@ class Grouping implements ComponentParserInterface
 
         // check grouping fields as well as the grouping function (either can be used in the query)
         foreach (array_merge($grouping->getFields(), array($grouping->getFunction())) as $field) {
-            if (isset($data['grouped'][$field])) {
+            if (!isset($data['grouped'][$field])) {
+                continue;
+            }
+
             $result = $data['grouped'][$field];
 
             $matches = (isset($result['matches'])) ? $result['matches'] : null;
@@ -106,7 +109,6 @@ class Grouping implements ComponentParserInterface
 
             $groups[$field] = new FieldGroup($matches, $groupCount, $valueGroups);
         }
-        }
 
         // parse query groups
         $groupResultClass = $grouping->getOption('resultquerygroupclass');