fixed to adapt gcc-5.4 & glibc-2.25

zhangmeng

2021-07-02 056f71f24cefaf88f2a93714c6678c03ed5f1e0e

 src/shm_msg_queue.h

@@ -29,7 +29,7 @@
{
public:
   typedef int64_t RawData;
   typedef ShmObject<SharedQ63> Shmq;
   typedef NamedShmObject<SharedQ63> Shmq;
   typedef Shmq::Data Queue;
   typedef Shmq::ShmType ShmType;
   typedef uint64_t MQId;