(mail-mailer-swallows-blank-line): Don't die

if /etc/sendmail.cf does not exist.

diff --git a/lisp/mail/sendmail.el b/lisp/mail/sendmail.el
index 16d05bef4cb8187d22ff5ea06d55200741d73d32..422a42d2bf8e13729db9132cba68f19268085750 100644 (file)
--- a/lisp/mail/sendmail.el
+++ b/lisp/mail/sendmail.el
@@ -130,6 +130,7 @@ so you can edit or delete these lines.")
 ;; options -t, and -v if not interactive.
 (defvar mail-mailer-swallows-blank-line
   (if (and (string-match "sparc-sun-sunos\\(\\'\\|[^5]\\)" system-configuration)
+          (file-exists-p "/etc/sendmail.cf")
           (let ((buffer (get-buffer-create " *temp*")))
             (unwind-protect
                 (save-excursion