fix jshint error
fix jshint error

deweyapp/dewey,ahmadassaf/Bookmark-Organizer-Dewey,deweyapp/dewey,ahmadassaf/Bookmark-Organizer-Dewey,modulexcite/dewey,deweyapp/dewey,ahmadassaf/Bookmark-Organizer-Dewey,modulexcite/dewey,modulexcite/dewey