[macruby-changes] [MacRuby/MacRuby] d3d621: add a rb_str_freeze() as CRuby API. fix #1419

Branch: refs/heads/master Home: https://github.com/MacRuby/MacRuby Commit: d3d62126cda14fd824f7f14594e632317f82d75a https://github.com/MacRuby/MacRuby/commit/d3d62126cda14fd824f7f14594e632317f... 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