Fixed install error with rdoc.gemspec
"lib/rdoc" is only workds on rdoc repository structure.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59848 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by hsbt (Hiroshi SHIBATA) about 8 years ago
Fixed install error with rdoc.gemspec
"lib/rdoc" is only workds on rdoc repository structure.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59848 b2dd03c8-39d4-4d8f-98ff-823fe69b080e