envutil.rb: ensure errors
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44123 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
envutil.rb: ensure errors
assertions by END to ensure outputs even if failed to catch the
raised exception.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44123 b2dd03c8-39d4-4d8f-98ff-823fe69b080e