One more lowercase for the content-transfer-encoding.

diff --git a/docs/contrib/replyfilter b/docs/contrib/replyfilter
index ed4fe6b..cbb8fff 100755 (executable)
--- a/docs/contrib/replyfilter
+++ b/docs/contrib/replyfilter
@@ -535,7 +535,7 @@ sub process_multipart ($$$)
                        $charset = 'us-ascii';
                }
 
-               $encoding = defined $cte ? $cte->param('_') : '7bit';
+               $encoding = defined $cte ? lc($cte->param('_')) : '7bit';
                $name = defined $cdispo ? $cdispo->param('filename') : undef;
 
                 #