Fix a manual merge mistake (a missing right parenthesis)

26f8703a · Ramakrishnan Muthukrishnan · 0c141d02 · 26f8703a
Commit 26f8703a authored 5 years ago by Ramakrishnan Muthukrishnan
--- a/src/PaymentServer/Main.hs
+++ b/src/PaymentServer/Main.hs
@@ -11,6 +11,7 @@ import Text.Printf
  )
 import Data.Maybe
  ( maybeToList
+  )
 import Data.ByteString
  ( ByteString
  )