PVS-Studio warning V519 for ReactOS

static HRESULT WINAPI BmpFrameEncode_Commit(....)
{
  ...
  bih.bV5RedMask = This->format->redmask;
  bih.bV5GreenMask = This->format->greenmask;
  bih.bV5BlueMask = This->format->bluemask;
  bih.bV5AlphaMask = This->format->alphamask;  <<<---
  bih.bV5AlphaMask = LCS_DEVICE_RGB;           <<<---
  ...
}

Most likely this is what should be written here: bih.bV5CSType = LCS_DEVICE_RGB;

This suspicious code was found in ReactOS project by PVS-Studio static code analyzer.
Warning message is:
V519 The 'bih.bV5AlphaMask' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 357, 358. windowscodecs bmpencode.c 358

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/