[PATCH] emacs: Add missing type and group to defcustom variable

[Örjan Ekeberg]

Added the type 'regexp and group 'notmuch-send as properties to the
customizable variable notmuch-mua-attachment-regexp.
---
 emacs/notmuch-mua.el | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/emacs/notmuch-mua.el b/emacs/notmuch-mua.el
index 94fa19d7..7fdd76bc 100644
--- a/emacs/notmuch-mua.el
+++ b/emacs/notmuch-mua.el
@@ -121,7 +121,9 @@ multiple parts get a header."
   "Message body text indicating that an attachment is expected.
 
 This is not used unless `notmuch-mua-attachment-check' is added
-to `notmuch-mua-send-hook'.")
+to `notmuch-mua-send-hook'."
+  :type 'regexp
+  :group 'notmuch-send)
 
 ;;
 
-- 
2.20.1