emacs: Fix `notmuch-user-other-email' when no other emails are configured
authorAustin Clements <amdragon@MIT.EDU>
Thu, 20 Feb 2014 19:16:36 +0000 (14:16 -0500)
committerDavid Bremner <david@tethera.net>
Sat, 22 Feb 2014 23:51:13 +0000 (19:51 -0400)
commit4b2ec627eb9e04d1deffe31b0f2ec95c6b29096a
treeb3e5bfdbff3bcfe95fa90cbec781ac9cb57dbd45
parent4b734374fb2e26ef54414c8f0b933271fdf58c3b
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.
emacs/notmuch-lib.el