Improve the ability to debug swig-rb bindings failures.
Improve the ability to debug swig-rb bindings failures.

* subversion/bindings/swig/ruby/test/util.rb
  (setup_default_variables): Put the repository in a temporary location as well,
    so that each test uses its own repo.

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