[ruby-cvs:67812] kazu:r60631 (trunk): Fix a typo [ci skip]

[kazu at ruby-lang.org]

kazu	2017-11-03 16:14:51 +0900 (Fri, 03 Nov 2017)

  New Revision: 60631

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=60631

  Log:
    Fix a typo [ci skip]

  Modified files:
    trunk/ext/win32ole/lib/win32ole.rb