git-send-email.perl: Really add angle brackets to In-Reply-To if nece…

…ssary

3803bce tried to fix this, but it only adds the branckes when the given
In-Reply-To begins and ends with whitespaces. It also didn't do anything
to the --in-reply-to argument.

Signed-off-by: Mike Hommey <mh@glandium.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

git-send-email.perl

@@ -367,10 +367,11 @@ sub expand_aliases {
 	} while (!defined $_);
 
 	$initial_reply_to = $_;
-	$initial_reply_to =~ s/^\s+<?/</;
-	$initial_reply_to =~ s/>?\s+$/>/;
 }
 
+$initial_reply_to =~ s/^\s*<?/</;
+$initial_reply_to =~ s/>?\s*$/>/;
+
 if (!defined $smtp_server) {
 	foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
 		if (-x $_) {