merge revision(s) 36455: [Backport #6772]
* ext/curses/extconf.rb: support PDCurses. patched by Luis Lavena. [ruby-core:46485] [Feature #6735]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@36564 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 36455: [Backport #6772]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@36564 b2dd03c8-39d4-4d8f-98ff-823fe69b080e