Workaround compilation error cause by chronos newFuture changes

eth/p2p/p2p_backends_helpers.nim

@@ -61,6 +61,6 @@ proc verifyStateType(t: NimNode): NimNode =
   if result.kind != nnkBracketExpr or $result[0] != "ref":
     macros.error($result & " must be a ref type")
 
-proc newFuture[T](location: var Future[T]) =
-  location = newFuture[T]()
+proc initFuture[T](loc: var Future[T]) =
+  loc = newFuture[T]()
 

eth/p2p/rlpx.nim

@@ -500,7 +500,7 @@ proc nextMsg*(peer: Peer, MsgType: type): Future[MsgType] =
   if not f.isNil:
     return Future[MsgType](f)
 
-  newFuture result
+  initFuture result
   peer.awaitedMessages[wantedId] = result
 
 # Known fatal errors are handled inside dispatchMessages.
@@ -776,12 +776,12 @@ macro p2pProtocolImpl(name: static[string],
                                                          responseMsgId)
       if hasReqIds:
         appendParams.add quote do:
-          newFuture `resultIdent`
+          initFuture `resultIdent`
           let `reqId` = `registerRequestCall`
         paramsToWrite.add reqId
       else:
         appendParams.add quote do:
-          newFuture `resultIdent`
+          initFuture `resultIdent`
           discard `registerRequestCall`
 
     of rlpxResponse: