Updating swigwin hash and download

This is another package attempt for windows, for the patched version
of SWIG.

Change-Id: I4c2c929cc6a37699b5fc76a290805c4b4585cc87
Merge topic 'SIMPLEITK-479_RemoveSWIGPatchStepUpdateDownload' into next

f5d1a021 Updating swigwin hash and download