fixed groups property typo; merged from MOODLE_19_STABLE

diff --git a/grade/report/lib.php b/grade/report/lib.php
index 4c9c3ae899df1fd58cdb02d3094e7a7ef6221fd2..b335a5eae2dce4e590faadf4c9ab6085399d986f 100755 (executable)
--- a/grade/report/lib.php
+++ b/grade/report/lib.php
@@ -265,7 +265,7 @@ class grade_report {
         $groupwheresql = "";
         if ($groups) {
             $groupsql      = $this->groupsql;
-            $groupwheresql = $this->groupsqlwhere;
+            $groupwheresql = $this->groupwheresql;
         }
 
         $countsql = "SELECT COUNT(DISTINCT u.id)