merge revision(s) 23479: * lib/mkmf.rb (SRC_EXT): should be flat. http://twitter.com/_tad_/status/1825862632
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@24221 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 23479:
* lib/mkmf.rb (SRC_EXT): should be flat.
http://twitter.com/_tad_/status/1825862632
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@24221 b2dd03c8-39d4-4d8f-98ff-823fe69b080e