CreateMessage but without DestroyMessage for example AsyncProducer and SyncProducer

[jonnxu]

CreateMessage but without DestroyMessage for example AsyncProducer and SyncProducer in CAsyncProducer.c and Producer.c

void startSendMessage(CProducer *producer) {
........
CMessage *msg = CreateMessage("T_TestTopic");
for (i = 0; i < 10; i++) {
.......
}
}