emacs: Fix `notmuch-user-other-email' when no other emails are configured

Thanks to the previous patch, this no longer crashes in this
situation, but now would return ("").  Fix it to return () when no
emails are configured.

diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
index 09110b5382c6bd024dd0091aad20ef662b4416a3..2fefdadc4e19e17b6f79f0b5b1c1e5350bbe226f 100644 (file)
--- a/emacs/notmuch-lib.el
+++ b/emacs/notmuch-lib.el
@@ -220,7 +220,7 @@ on the command line, and then retry your notmuch command")))
 
 (defun notmuch-user-other-email ()
   "Return the user.other_email value (as a list) from the notmuch configuration."
-  (split-string (notmuch-config-get "user.other_email") "\n"))
+  (split-string (notmuch-config-get "user.other_email") "\n" t))
 
 (defun notmuch-poll ()
   "Run \"notmuch new\" or an external script to import mail.