$NetBSD: patch-ah,v 1.6 2015/09/03 14:49:02 wiz Exp $

mutt_curses.h refers to event_t from mutt,h, and SHORT_STRING from lib.h,
so include those headers here.

--- mutt_curses.h.orig	2008-11-11 21:55:47.000000000 +0200
+++ mutt_curses.h
@@ -52,6 +52,9 @@
 # include <curses.h>
 #endif
 
+#include "lib.h" /* for SHORT_STRING */
+#include "mutt.h" /* for event_t */
+
 #define M_ENTER_C '\n'
 #define M_ENTER_S "\n"