PVS-Studio warning V640 for VirtualBox

static int vbglR3DnDGHProcessRequestPendingMessage(....)
{
  ....
  rc = Msg.hdr.result;
  if (RT_SUCCESS(rc))
    rc = Msg.uScreenId.GetUInt32(puScreenId); AssertRC(rc);
  ....                                        ^^^^^^^^^^^^^
}

This suspicious code was found in VirtualBox project by PVS-Studio static code analyzer.
Warning message is:
V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. vboxguestr3libdraganddrop.cpp 656

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/