COMP: update Swig version and fix md5 hashes per Brad's suggestion

Try to fix windows build errors like [1] by copying the version
info and hashes from the SimpleITK source [2].

[1] http://slicer.cdash.org/viewBuildError.php?buildid=106147
[2] https://github.com/SimpleITK/SimpleITK/commit/331990f42c2f5777ccc9c849025bb2db68709a68

git-svn-id: http://svn.slicer.org/Slicer4/trunk@22083 3bd1e089-480b-0410-8dfb-8563597acbee