rmd160/extconf.rb: fix function name
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47801 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by nobu (Nobuyoshi Nakada) about 11 years ago
rmd160/extconf.rb: fix function name
check. [ruby-core:65091] [Bug #10252]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47801 b2dd03c8-39d4-4d8f-98ff-823fe69b080e