cli: fix use of uninitialized variable in "notmuch reply"
[notmuch] / vim /
drwxr-xr-x   ..
-rw-r--r-- 607 Makefile
-rw-r--r-- 2929 README
-rw-r--r-- 208 notmuch.yaml
drwxr-xr-x - plugin
drwxr-xr-x - syntax