fix redis on Windows

Author: marty1885

nosql_lib/redis/src/RedisConnection.cc

@@ -70,7 +70,7 @@ void RedisConnection::startConnectionInLoop()
     redisContext_->ev.cleanup = cleanup;
     redisContext_->ev.data = this;
 
-    channel_ = std::make_unique<trantor::Channel>(loop_, redisContext_->c.fd);
+    channel_ = std::make_unique<trantor::Channel>(loop_, (int)redisContext_->c.fd);
     channel_->setReadCallback([this]() { handleRedisRead(); });
     channel_->setWriteCallback([this]() { handleRedisWrite(); });
     redisAsyncSetConnectCallback(