* tools/dist/construct-rolling-environment.sh   (create_prefix): Save the swig tarball to its correct name.
* tools/dist/construct-rolling-environment.sh
  (create_prefix): Save the swig tarball to its correct name.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion