Make some functions to be static
These functions are used only in ast.c.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65663 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Make some functions to be static
These functions are used only in ast.c.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65663 b2dd03c8-39d4-4d8f-98ff-823fe69b080e