PVS-Studio warning V586 for OpenMW

void Clothing::blank()
{
  mData.mType = 0;
  mData.mWeight = 0;
  mData.mValue = 0;
  mData.mEnchant = 0;
  mParts.mParts.clear();
  mName.clear();
  mModel.clear();
  mIcon.clear();
  mIcon.clear();
  mEnchant.clear();
  mScript.clear();
}

This suspicious code was found in OpenMW project by PVS-Studio static code analyzer.
Warning message is:
V586 The 'clear' function is called twice for deallocation of the same resource. Check lines: 48, 49. components loadclot.cpp 49

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/