src/OptionalConfiguration.hs: import (<>) from the Semigroup class.

Ha ha, although Data.Semigroup was moved into GHC in v8.0, it wasn't
added to Prelude until v8.4. So there's a THIRD distinct situation we
need to handle to define a friggin monoid.

diff --git a/src/OptionalConfiguration.hs b/src/OptionalConfiguration.hs
index 31aa7f1f7d37566538b3db1dad9a5f9d3e0bd8cb..d9627928c82b4b856e2ad0feedf66b991db22f16 100644 (file)
--- a/src/OptionalConfiguration.hs
+++ b/src/OptionalConfiguration.hs
@@ -20,7 +20,7 @@ import qualified Data.Configurator as DC (
   lookup )
 import Data.Data ( Data )
 import Data.Monoid ( Monoid() )
-import Data.Semigroup ( Semigroup() )
+import Data.Semigroup ( Semigroup( (<>) ) )
 import Paths_mailbox_count ( getSysconfDir )
 import System.Directory ( getHomeDirectory )
 import System.FilePath ( (</>) )