Protect wrapper Procs from ruby's GC.
Protect wrapper Procs from ruby's GC.

* subversion/bindings/swig/ruby/svn/util.rb
  (Svn::Util): Add a wrapper Proc container.
  (Svn::Util.set_methods): Put wrapper Procs to the wrapper Proc container.

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