mruby/mruby — pull request #1863 by take-cheeze (2014-03-15 06:21:55+00:00)
Title: Add Fiber's double resume test and fix it.

This PR is a cherry pick of PR #1860.
`MRB_FIBER_RESUMED` would be replaced with `MRB_FIBER_SUSPENDED`.
Since `MRB_FIBER_RESUMED` seems not effective to check fiber's double resume.