rename socket.h/cpp to shm_socket.h/cpp.

lichao

2021-05-20 4ad4f24f18cf7d0af22ca885baebc6a3eb37e7d0

 src/msg.cpp

@@ -18,7 +18,7 @@
#include "msg.h"
#include "bh_util.h"
#include "defs.h"
#include "socket.h"
#include "shm_socket.h"

namespace bhome_msg
{