Updating swig-2.0.11-1.tar.gz download bundled on Linux.

Change-Id: Idd2b75dbc6c30b5a9a360c27c69e1dba9128e5f7
Merge topic 'SIMPLEITK-479_RemoveSWIGPatchStepUpdateDownload' into next

e896677f Updating swig-2.0.11-1.tar.gz download bundled on Linux.