convert method name to a Symbol
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49506 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
convert method name to a Symbol
convert String method name into a Symbol, as method_missing
method expects its first argument to be a Symbol. [Bug #10828]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49506 b2dd03c8-39d4-4d8f-98ff-823fe69b080e