MDL-11599 missing return statement

diff --git a/grade/report/lib.php b/grade/report/lib.php
index c82309bff00459482607c1630c29fd209c4f29ae..eb478c88f37f9ab9edfb2e37fdf31a85d32d006d 100755 (executable)
--- a/grade/report/lib.php
+++ b/grade/report/lib.php
@@ -256,7 +256,7 @@ class grade_report {
     function get_grade_letters() {
         global $COURSE;
         $context = get_context_instance(CONTEXT_COURSE, $COURSE->id);
-        $letters = grade_get_letters($context);
+        return grade_get_letters($context);
     }
 
     /**