Fix crash: Skip unused value_info for version_converter (#4079)
Fix crash: Skip unused value_info for version_converter (#4079)

* createDummyValue for undefined value_info

Signed-off-by: Chun-Wei Chen <3d21e1cad9aa0e4aa10838f859be24690cfc357c@gmail.com>

* simply skip it

Signed-off-by: Chun-Wei Chen <3d21e1cad9aa0e4aa10838f859be24690cfc357c@gmail.com>
onnx/onnx,onnx/onnx,onnx/onnx,onnx/onnx