Fix MKL build break on Windows

[fo40225]

Eigen with MKL and MKL-ML only, no MKL-DNN.

Windows 10 1709

Microsoft Visual Studio 2017 15.4.0

Intel Parallel Studio XE Cluster Edition for Windows 2018 Update 1

98% tests passed, 7 tests failed out of 387

Total Test time (real) = 4031.00 sec

The following tests FAILED:
         40 - C:/Users/User/Source/Repos/tensorflow/tensorflow/python/debug/lib/session_debug_file_test.py (Failed)
         42 - C:/Users/User/Source/Repos/tensorflow/tensorflow/python/debug/lib/stepper_test.py (Failed)
         84 - C:/Users/User/Source/Repos/tensorflow/tensorflow/python/kernel_tests/conv_ops_test.py (OTHER_FAULT)
        165 - C:/Users/User/Source/Repos/tensorflow/tensorflow/python/kernel_tests/matrix_solve_ls_op_test.py (Failed)
        182 - C:/Users/User/Source/Repos/tensorflow/tensorflow/python/kernel_tests/pooling_ops_test.py (OTHER_FAULT)
        328 - C:/Users/User/Source/Repos/tensorflow/tensorflow/contrib/factorization/python/ops/gmm_ops_test.py (Failed)
        353 - C:/Users/User/Source/Repos/tensorflow/tensorflow/python/keras/_impl/keras/layers/convolutional_recurrent_test.py (Failed)

full build log and test log attached

msbuild.zip
pytest.zip