[macruby-changes] [MacRuby/MacRuby] 8005de: implement the IO#ungetbyte method.

Branch: refs/heads/master Home: https://github.com/MacRuby/MacRuby Commit: 8005de02b5b04c59f1b1724d68304d2aee7a8700 https://github.com/MacRuby/MacRuby/commit/8005de02b5b04c59f1b1724d68304d2aee... Author: Watson <watson1978@gmail.com> Date: 2011-10-13 (Thu, 13 Oct 2011) Changed paths: M io.c Log Message: ----------- implement the IO#ungetbyte method.