Hide Data.Monoid.(<>)

Fixes a bug with GHC 8.2.2, as Data.Monoid.(<>) conflicts with
Data.Semigroup.(<>).

Author: lpsmith

src/Reflex/Query/Class.hs

@@ -38,7 +38,7 @@ import qualified Data.Map.Monoidal as MonoidalMap
 import Data.Semigroup (Semigroup(..))
 import Foreign.Storable
 import Data.Void
-import Data.Monoid
+import Data.Monoid hiding ((<>))
 import Control.Applicative
 
 import Reflex.Class