[O] Can't store link in mu4e

[Brett Presnell]

I pulled the latest org from git a few days ago.  Now I can no longer
store links to email messages in mu4e with "C-c l".  The message I get
is

    No method for storing a link from this buffer

Nothing else has changed, and I am still able to pull up email message
by clicking on (old) links in org files, and org-capture of email
messages still works with "C-c c".

I'm running

   mu/mu4e version 0.9.17 from github

and a snapshot of GNU Emacs 25

   GNU Emacs 25.1.50.2 (x86_64-pc-linux-gnu, GTK+ Version 3.18.9) of
   2016-08-23

Any ideas?  I really depend on this functionality.