PVS-Studio warning V519 for QT

void Q3ListViewItem::init()
{
  ...
  selectable = true;        <<<---
  lsc = Unsorted;
  lso = true;
  configured = false;
  expandable = false;
  selectable = true;        <<<---
  ...
}

This suspicious code was found in QT project by PVS-Studio static code analyzer.
Warning message is:
V519 The 'selectable' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 646, 652. Qt3Support q3listview.cpp 652

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/