Make compatible with GHC2025

lib/Graphics/Fountainhead/Dumper.hs

@@ -96,6 +96,7 @@ import qualified Text.Megaparsec as Megaparsec
 import Graphics.Fountainhead.Parser
     ( ParseErrorBundle
     , ParseState
+    , Parser
     , parseTable
     , cmapTableP
     , headTableP
@@ -831,6 +832,7 @@ parseRequired processedState fontDirectory = do
         , locaTable = requiredLoca
         } 
   where
+    findRequired :: String -> Parser a -> Either DumpError a
     findRequired tableName parser = 
         let missingError = Left $ DumpRequiredTableMissingError tableName
             parseFound tableEntry = parseTable tableEntry parser processedState