[PATCH] git-send-email: Do not attempt to STARTTLS more than once

With the previous TLS patch, send-email would attempt to STARTTLS at
the beginning of every mail, despite reusing the last connection.  We
simply skip further encryption checks after successful TLS initiation.

Signed-off-by: Thomas Rast <redacted>
---
 git-send-email.perl |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/git-send-email.perl b/git-send-email.perl
index a047b01..3564419 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl

@@ -772,6 +772,7 @@ X-Mailer: git-send-email $gitversion
 				if ($smtp->code == 220) {
 					$smtp = Net::SMTP::SSL->start_SSL($smtp)
 						or die "STARTTLS failed! ".$smtp->message;
+					$smtp_encryption = '';
 				} else {
 					die "Server does not support STARTTLS! ".$smtp->message;
 				}

-- 
1.5.6.1.278.g3d7f6