Remove space.
Merge pull request #2334 from yui-knk/remove-space

Remove space.
Fix typos in gc
Merge pull request #2336 from katmutua/master

Fix typos in gc
remove part of 9cd71916 test for same reason as 5306e47
Merge branch 'master' of github.com:mruby/mruby
Merge branch 'master' into iij