updated lwmqtt

Author: 256dpi

Makefile

@@ -5,7 +5,7 @@ fmt:
 
 update:
 	rm -rf ./lwmqtt
-	git clone --branch v0.6.2 https://github.com/256dpi/lwmqtt.git ./lwmqtt
+	git clone --branch v0.6.4 https://github.com/256dpi/lwmqtt.git ./lwmqtt
 	mkdir -p ./src/lwmqtt
 	cp -r ./lwmqtt/src/*.c ./src/lwmqtt/
 	cp -r ./lwmqtt/src/*.h ./src/lwmqtt/

src/lwmqtt/client.c

@@ -358,7 +358,7 @@ lwmqtt_err_t lwmqtt_connect(lwmqtt_client_t *client, lwmqtt_options_t options, l
   client->timer_set(client->command_timer, timeout);
 
   // save keep alive interval (take 75% to be a little earlier than actually needed)
-  client->keep_alive_interval = (uint32_t)(options.keep_alive * 750);
+  client->keep_alive_interval = (uint32_t)(options.keep_alive) * 750;
 
   // set keep alive timer
   client->timer_set(client->keep_alive_timer, client->keep_alive_interval);