fixed undefined $modcontext

diff --git a/mod/forum/lib.php b/mod/forum/lib.php
index 1c42b3212fd08fa873326407557e8e652d8655e6..30c53af9ad3fb677ba74ddaab2bd95c708d2cebb 100644 (file)
--- a/mod/forum/lib.php
+++ b/mod/forum/lib.php
@@ -772,7 +772,7 @@ function forum_make_mail_text($course, $forum, $discussion, $post, $userfrom, $u
             }
             $post->modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
         }
-        $post->viewfullnames = has_capability('moodle/site:viewfullnames', $modcontext, $userto->id);
+        $post->viewfullnames = has_capability('moodle/site:viewfullnames', $post->modcontext, $userto->id);
     }
 
     $by = New stdClass;