merge revision(s) 50338: [Backport #12253]
tkutil.c: revert r48250 * ext/tk/tkutil/tkutil.c (Init_tkutil): TkUtil::CallbackSubst and
TkUtil::CallbackSubst::Info need the default allocator. [ruby-list:50115]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@54672 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 50338: [Backport #12253]
TkUtil::CallbackSubst::Info need the default allocator.
[ruby-list:50115]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@54672 b2dd03c8-39d4-4d8f-98ff-823fe69b080e