util.h: POSIX-noncompliant setenv
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56091 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
util.h: POSIX-noncompliant setenv
definition with 2 arguments.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56091 b2dd03c8-39d4-4d8f-98ff-823fe69b080e