check-swig-rb broken on trunk?

I'm seeing failures in check-swig-rb:

  1) Error:
test_externals_description(SvnWcTest):
ArgumentError: wrong # of arguments(2 for 3)
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/svn/util.rb:86:in
`svn_wc_parse_externals_description3'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/svn/util.rb:86:in
`parse_externals_description3'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/svn/wc.rb:84:in
`parse'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/test/test_wc.rb:155:in
`test_externals_description'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/test/test_wc.rb:147:in
`assert_externals_description'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/test/test_wc.rb:154:in
`test_externals_description'

  2) Error:
test_externals_description_for_backward_compatibility(SvnWcTest):
ArgumentError: wrong # of arguments(2 for 3)
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/svn/util.rb:86:in
`svn_wc_parse_externals_description3'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/svn/util.rb:86:in
`parse_externals_description3'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/svn/wc.rb:84:in
`parse'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/svn/wc.rb:37:in
`parse_externals_description'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/test/test_wc.rb:161:in
`test_externals_description_for_backward_compatibility'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/test/test_wc.rb:147:in
`assert_externals_description'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/test/test_wc.rb:160:in
`test_externals_description_for_backward_compatibility'

  3) Error:
test_switch_editor(SvnWcTest):
ArgumentError: wrong # of arguments(12 for 13)
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/svn/util.rb:86:in
`svn_wc_get_switch_editor3'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/svn/util.rb:86:in
`get_switch_editor3'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/svn/wc.rb:329:in
`switch_editor'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/test/test_wc.rb:831:in
`test_switch_editor'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/svn/wc.rb:126:in
`_open'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/svn/wc.rb:116:in
`open_anchor'
/home/maxb/wc/svn/trunk29/subversion/bindings/swig/ruby/test/test_wc.rb:830:in
`test_switch_editor'

200 tests, 1193 assertions, 0 failures, 3 errors