Fix so address format errors are ignored when saving a draft (#1489954)

CHANGELOG

@@ -45,6 +45,7 @@ CHANGELOG Roundcube Webmail
 - Fix so message list and counters are updated when a message is opened in new window (#1489919)
 - Fix malformed recipient name when composing a message by clicking on mailto link (#1489942)
 - Fix list reload after sending message in another window (#1489931)
+- Fix so address format errors are ignored when saving a draft (#1489954)
 
 RELEASE 1.0.1
 -------------

program/steps/mail/sendmail.inc

@@ -77,7 +77,7 @@ $mailto  = rcmail_email_input_format(rcube_utils::get_input_value('_to', rcube_u
 $mailcc  = rcmail_email_input_format(rcube_utils::get_input_value('_cc', rcube_utils::INPUT_POST, TRUE, $message_charset), true);
 $mailbcc = rcmail_email_input_format(rcube_utils::get_input_value('_bcc', rcube_utils::INPUT_POST, TRUE, $message_charset), true);
 
-if ($EMAIL_FORMAT_ERROR) {
+if ($EMAIL_FORMAT_ERROR && !$savedraft) {
     $OUTPUT->show_message('emailformaterror', 'error', array('email' => $EMAIL_FORMAT_ERROR));
     $OUTPUT->send('iframe');
 }