mruby/mruby — pull request #1615 by crimsonwoods (2013-12-23 08:40:08+00:00)
Title: Remove 'mrb_state' field from 'kh_xxx_t' structure.

'kh_xxx_t' requires 'mrb_state' to allocate, free, and compute hash value.
But 'mrb_state' should not be held by 'kh_xxx_t' and 'mrb_state' should be
supplied from outside.