* ext/win32ole/win32ole.c (ole_event_free): invoke IConnectionPoint::Unadvise
before invoking IConnectionPoint::Release.
* test/win32ole/test_win32ole_event.rb, test/win32ole/err_in_callback.rb,
test/win32ole/test_err_in_callback.rb: Use ActiveX Data Object
Library instead of InternetExplorer.
--
* test/win32ole/test_err_in_callback.rb: add teardown.
--
* test/win32ole/test_win32ole_event.rb: rename test class.
* test/win32ole/test_win32ole_variant_outarg.rb: add in order
to use ADO instead of Internet Explorer.
remove test/win32ole/test_win32ole_variant_with_ie.rb.
* test/win32ole/orig_data.csv: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@21052 b2dd03c8-39d4-4d8f-98ff-823fe69b080e