Update rnn_helpers.cc: add #ifdef to DumpMatrixImpl  (#7389)
Update rnn_helpers.cc: add #ifdef to DumpMatrixImpl  (#7389)


microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime