io.c: get rid of IOError when skipped while iteration
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39996 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
io.c: get rid of IOError when skipped while iteration
skipped while iteration, to get rid of IOError. [ruby-list:49185]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39996 b2dd03c8-39d4-4d8f-98ff-823fe69b080e