too far away check does not use multipolygons

[skyper]

What steps will reproduce the problem?

1. Have a big square mapped as multipolygon relation in an associatedStreet relation with no aditional member role street near by
2. run validator

What is the expected result?

No warning

What happens instead?

Warning:House number too far from street

Please provide any additional information below. Attach a screenshot if possible.

Please have a look at attached example file attament:josm_too_far_multipoly.osm

URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2016-09-08 01:17:53 +0200 (Thu, 08 Sep 2016)
Build-Date:2016-09-08 01:35:41
Revision:10976
Relative:URL: ^/trunk

Identification: JOSM/1.5 (10976 en) Linux Debian GNU/Linux 8.5 (jessie)
Memory Usage: 403 MB / 485 MB (142 MB allocated, but free)
Java version: 1.8.0_102-8u102-b14.1-1~bpo8+1-b14, Oracle Corporation, OpenJDK 64-Bit Server VM
Java package: openjdk-8-jre:amd64-8u102-b14.1-1~bpo8+1
Java ATK Wrapper package: libatk-wrapper-java:all-0.30.5-1
VM arguments: [-Djosm.home=<josm.pref>]
Program arguments: [--language=en]
Dataset consistency test: No problems found

Plugins:
+ OpeningHoursEditor (32699)
+ imagery_offset_db (32796)
+ reverter (32796)
+ tag2link (32941)
+ terracer (32699)
+ undelete (32699)
+ utilsplugin2 (32815)
+ wikipedia (32884)

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/Crafts&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/LaneAttributes&zip=1
+ http://osmtools.de/josm/steps.xml
+ https://josm.openstreetmap.de/josmfile?page=Presets/Simple_Indoor_Tagging&zip=1

Map paint styles:
+ https://josm.openstreetmap.de/josmfile?page=Styles/Landcover&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/Lane_and_Road_Attributes&zip=1

Last errors/warnings:
- W: java.lang.NoSuchMethodException: No such function prettifyValue

[skyper]

example file