* test/test_curses.rb: tests for getch.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40117 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
curses.c: fix function

* ext/curses/curses.c (Init_curses): fix implementation function,
  crmode should be same as cbreak.  [ruby-core:54013] [Bug #8222]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40118 b2dd03c8-39d4-4d8f-98ff-823fe69b080e