析构时，deleteCamera增加handle置位的操作，防止重复关闭报错

chenshijun

2019-07-29 69895028b74737228e76005f88b9aaf95136ec96

 csrc/thirdparty/gb28181/include/PsToEs.hpp

@@ -184,10 +184,11 @@
   void deleteCamera(){
      printf("RTSPSTREAM_Close\n");
      RTSPSTREAM_Close(handle);
      handle = -1;
   }   
private:
   MyQueue<frameBuffInfo *> m_rtpQueue;
   long handle;
   long handle = -1;
};