Follow on to r27951 "Fix issue #1893: make svn_client_commitX always  return a valid structure in commit_info_p as promised."
Follow on to r27951 "Fix issue #1893: make svn_client_commitX always 
return a valid structure in commit_info_p as promised."

* subversion/bindings/swig/ruby/test/test_client.rb
  (SvnClientTest#test_commit): Expect a 
   Svn::Ext::Core::Svn_commit_info_t with an invalid revision number 
   instead of nil when nothing is actually committed.

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