Merge pull request #7 from Zectbumo/master

use IPPROTO_IP for Nim 2

Author: ba0f3

src/fastcgi/server.nim

@@ -272,7 +272,7 @@ proc serveUnix*(server: AsyncFCGIServer; path: string): Future[void] =
   var socket = newAsyncSocket(
       domain = AF_UNIX,
       sockType = SOCK_STREAM,
-      protocol = cast[Protocol](0),
+      protocol = IPPROTO_IP,
     )
   bindUnix(socket, path)
   socket.listen()
@@ -284,4 +284,4 @@ proc close*(server: AsyncFCGIServer) =
 
 when isMainModule:
   let server = newAsyncFCGIServer()
-  waitFor server.serve(Port(9000))
+  waitFor server.serve(Port(9000))