message: fix bug where n energy instructions was set to 0 in vqe.cpp
diff: @@ -116,7 +116,7 @@ void VQE::execute(const std::shared_ptr<AcceleratorBuffer> buffer) const {
  auto kernels = observable->observe(evaled);
  double identityCoeff = 0.0;
  - int nInstructionsEnergy = 0, nInstructionsGradient = 0;
  + int nInstructionsEnergy = kernels.size(), nInstructionsGradient = 0;
  for (auto &f : kernels) {
  kernelNames.push_back(f->name());
  std::complex<double> coeff = f->getCoefficient();
  