Import Monoid class

Author: expipiplus1

src/Database/PostgreSQL/Simple/Migration.hs

@@ -45,7 +45,7 @@ import qualified Data.ByteString                    as BS (ByteString, readFile)
 import qualified Data.ByteString.Base64             as B64 (encode)
 import           Data.List                          (isPrefixOf, sort)
 #if __GLASGOW_HASKELL__ < 710
-import           Data.Monoid                        (mconcat)
+import           Data.Monoid                        (Monoid (..))
 #endif
 import           Data.Time                          (LocalTime)
 import           Database.PostgreSQL.Simple         (Connection, Only (..),