fix 'info -d module', it assumed active module only

Author: busterb

lib/msf/ui/console/command_dispatcher/core.rb

@@ -807,10 +807,10 @@ def cmd_info(*args)
       elsif dump_json
         print(Serializer::Json.dump_module(mod) + "\n")
       elsif show_doc
-        f = Rex::Quickfile.new(["#{active_module.shortname}_doc", '.html'])
+        f = Rex::Quickfile.new(["#{mod.shortname}_doc", '.html'])
         begin
-          print_status("Generating documentation for #{active_module.shortname}, then opening #{f.path} in a browser...")
-          Msf::Util::DocumentGenerator.spawn_module_document(active_module, f)
+          print_status("Generating documentation for #{mod.shortname}, then opening #{f.path} in a browser...")
+          Msf::Util::DocumentGenerator.spawn_module_document(mod, f)
         ensure
           f.close if f
         end