fix typo in Moya+Internal.swift
fix typo in Moya+Internal.swift

filograno/Moya,calt/Moya,Moya/Moya,ashfurrow/Moya,AvdLee/Moya,Moya/Moya,Moya/Moya,justinmakaila/Moya,filograno/Moya,AvdLee/Moya,ashfurrow/Moya,justinmakaila/Moya,justinmakaila/Moya,AvdLee/Moya,calt/Moya,calt/Moya