PVS-Studio warning V529 for MultiThreadSimpleQueue

void CMTQueueProducer::Reset()
{
  void* pMsg = NULL;
  CSimpleMessage* pDecodedMsg = NULL;
  while(TheQueueBuffer::GetInstance()->Pop(pMsg));
  {
    pDecodedMsg = (CSimpleMessage*) pMsg;
    if (pDecodedMsg)
    {
      try { delete pDecodedMsg; } catch (....) { NULL; }
    }
    pMsg = NULL;
  }
}

This suspicious code was found in MultiThreadSimpleQueue project by PVS-Studio static code analyzer.
Warning message is:
V529 Odd semicolon ';' after 'while' operator. StandardQueues mtqueueproducer.cpp 35

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/