From a5764c4a7805d78c7a7f2403ad2ce2515d2e9d74 Mon Sep 17 00:00:00 2001 From: Joey Hess Date: Fri, 18 Jan 2019 13:59:29 -0400 Subject: [PATCH] fix build with old ghc --- Types/Key.hs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Types/Key.hs b/Types/Key.hs index 9b7456b762..0c54941731 100644 --- a/Types/Key.hs +++ b/Types/Key.hs @@ -13,6 +13,8 @@ module Types.Key where import qualified Data.ByteString as S import qualified Data.ByteString.Char8 as S8 import System.Posix.Types +import Data.Monoid +import Prelude {- A Key has a unique name, which is derived from a particular backend, - and may contain other optional metadata. -}