PVS-Studio warning V570 for TortoiseGIT

static int blame_internal(git_blame *blame)
{
  ....
  blame->ent = ent;
  blame->path = blame->path;
  ....
}

This suspicious code was found in TortoiseGIT project by PVS-Studio static code analyzer.
Warning message is:
V570 The 'blame->path' variable is assigned to itself. blame.c 319

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