Fix bug where wrong words were highlighted on spell-before-send check

Conflicts:

	CHANGELOG

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Fix bug where wrong words were highlighted on spell-before-send check
 - Fix scrolling quirk in email preview frame using Opera 12 (#1488763)
 - Fix displaying of multipart/alternative messages with empty parts (#1488750)
 - Fix Warning: htmlspecialchars(): charset `RCMAIL_CHARSET' not supported warning in Installer (#1488744)

program/steps/mail/sendmail.inc

@@ -428,6 +428,7 @@ if (!$savedraft) {
   if ($CONFIG['spellcheck_before_send'] && $CONFIG['enable_spellcheck']
     && empty($COMPOSE['spell_checked']) && !empty($message_body)
   ) {
+    $message_body = str_replace("\r\n", "\n", $message_body);
     $spellchecker = new rcube_spellchecker(get_input_value('_lang', RCUBE_INPUT_GPC));
     $spell_result = $spellchecker->check($message_body, $isHtml);