Merge branch 'maint-1.6.1' into maint-1.6.2

diff --git a/git-send-email.perl b/git-send-email.perl
index adf7ecb5c35a978bad5a15463cb9cf54665b9860..09fe3d95c4e076af1bf6230d31ca7b67e1893dc2 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -821,7 +821,7 @@ sub send_message
 Message-Id: $message_id
 X-Mailer: git-send-email $gitversion
 ";
-       if ($thread && $reply_to) {
+       if ($reply_to) {
 
                $header .= "In-Reply-To: $reply_to\n";
                $header .= "References: $references\n";