Fixes recursion bug in disambiguate_in().

[ohcount] / ruby / gestalt / rules / xml_keyword_rule.rb

module Ohcount
        module Gestalt
                class XmlKeywordRule < KeywordRule

                        def initialize(*keywords)
                                super('xml',*keywords)
                        end

                        def trigger_file?(source_file)
                                return false unless source_file.polyglot = 'xml'
                                regexp.match(source_file.language_breakdowns('xml').code)
                        end
                end
        end
end