fix style.
fix style.

takaokouji/smalruby-editor,takaokouji/smalruby-editor,Ikuyadeu/smalruby-editor,smalruby/smalruby-editor,Ikuyadeu/smalruby-editor,takaokouji/smalruby-editor,smalruby/smalruby-editor,Ikuyadeu/smalruby-editor,smalruby/smalruby-editor