correct display problem for non-English words

add $mail->CharSet = 'UTF-8' to support non-English locale like Chinese

application/include/functions.php

@@ -152,6 +152,7 @@ function send_phpmailer($email, $subject, $message)
         $mail->addReplyTo(get_config('smtp_mail'));
 
         // Content
+	$mail->CharSet = 'UTF-8';
         $mail->isHTML(true);
         $mail->Subject = $subject;
         $mail->Body = $message;
@@ -388,4 +389,4 @@ function lang($val)
 function elang($val)
 {
     echo lang($val);
-}
+}