From e4a401f58dcfa884f3b952040db1f99c7c3bf546 Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Mon, 8 Sep 2014 10:02:11 +0300
Subject: [PATCH] Add a signature

---
 yesod-bin/ghcwrapper.hs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/yesod-bin/ghcwrapper.hs b/yesod-bin/ghcwrapper.hs
index ef5e1f27..8085cb82 100644
--- a/yesod-bin/ghcwrapper.hs
+++ b/yesod-bin/ghcwrapper.hs
@@ -52,6 +52,7 @@ runProgram pgm args = do
       return (ExitFailure 1)
     Just p -> rawSystem (programPath p) args
 
+main :: IO ()
 main = do
   args <- getArgs
   e <- doesDirectoryExist "yesod-devel"