version.c: use str_new_static
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50807 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
version.c: use str_new_static
operator.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50807 b2dd03c8-39d4-4d8f-98ff-823fe69b080e