From 6edc320b69e9c318541307242f4eb855cb533efe Mon Sep 17 00:00:00 2001
From: Stephen Diehl <stephen.m.diehl@gmail.com>
Date: Wed, 8 Jun 2016 19:45:33 -0400
Subject: [PATCH] DeriveTyepable pragma.

---
 src/Panic.hs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Panic.hs b/src/Panic.hs
index bc506f9dd..863feddb9 100644
--- a/src/Panic.hs
+++ b/src/Panic.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE DeriveDataTypeable #-}
+
 module Panic (
   FatalError(..),
   panic,