Merge pull request #1068 from racke/pr/fix-personalization-regression-1066

Fix regression in personalization feature (#1066)

src/lib/Sympa/Spindle/ProcessOutgoing.pm

@@ -290,7 +290,7 @@ sub _twist {
                     # Quarantine packet into bad spool.
                     return undef;
                 }
-                delete $new_message->{shelved}{merge};
+                $new_message->{shelved}{merge} = 'footer';
             }
             if ($new_message->{shelved}{decorate}) {
                 $new_message->decorate($list, $rcpt,