Update legacy Nmap XML parser

Author: wvu

lib/msf/core/db_manager/import/nmap.rb

@@ -167,6 +167,9 @@ def import_nmap_xml(args={}, &block)
         if p["name"] != "unknown"
           data[:name] = p["name"]
         end
+        if p['tunnel']
+          data[:name] = "#{p['tunnel']}/#{data['name'] || 'unknown'}"
+        end
         report_service(data)
       }
       #Parse the scripts output