message: Fix off-by-one error clamping vertex buffer access
diff: @@ -1767,7 +1767,7 @@ ShaderDebugTrace *D3D12Replay::DebugVertex(uint32_t eventId, uint32_t vertid, ui
  for(auto it = vertexbuffers.begin(); it != vertexbuffers.end(); ++it)
  {
  UINT i = *it;
  - if(rs.vbuffers.size() >= i)
  + if(rs.vbuffers.size() > i)
  {
  D3D12RenderState::VertBuffer &vb = rs.vbuffers[i];
  ID3D12Resource *buffer = m_pDevice->GetResourceManager()->GetCurrentAs<ID3D12Resource>(vb.buf);
  