configure.in: -Werror=extra-tokens
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40130 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
configure.in: -Werror=extra-tokens
continuing with lots of warnings.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40130 b2dd03c8-39d4-4d8f-98ff-823fe69b080e