[macruby-changes] [MacRuby/MacRuby] ac926b: add a rb_str_freeze() as CRuby API. fix #1419

Branch: refs/heads/0.11 Home: https://github.com/MacRuby/MacRuby Commit: ac926b3cb435a40d0618a5959373d8ab781779b7 https://github.com/MacRuby/MacRuby/commit/ac926b3cb435a40d0618a5959373d8ab78... Author: Watson <watson1978@gmail.com> Date: 2011-11-16 (Wed, 16 Nov 2011) Changed paths: M string.c Log Message: ----------- add a rb_str_freeze() as CRuby API. fix #1419