Merge pull request #215 from jneira/vfs-force-utf8

Force utf8 encoding when writing vfs temp files

Author: alanz

src/Language/Haskell/LSP/VFS.hs

@@ -192,6 +192,7 @@ persistFileVFS vfs uri =
                    writeRaw h = do
                     -- We honour original file line endings
                     hSetNewlineMode h noNewlineTranslation
+                    hSetEncoding h utf8
                     hPutStr h contents
                logs  $ "haskell-lsp:persistFileVFS: Writing virtual file: " 
                     ++ "uri = " ++ show uri ++ ", virtual file = " ++ show tfn