Fix broken Ruby bindings with SWIG 1.3.25.
Fix broken Ruby bindings with SWIG 1.3.25.

Followup r18015.

* subversion/bindings/swig/include/svn_types.swg
  (%typemap(in) SWIGTYPE * (void *temp)): Use 1 instead of $disown
  when SWIG version is less than or equal 1.3.25.

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