Comment 15 for bug 1015567

A really cheap woraround would be:

=== modified file 'lib/dpkg/parse.c'
--- lib/dpkg/parse.c 2012-09-26 12:16:34 +0000
+++ lib/dpkg/parse.c 2012-09-26 12:28:49 +0000
@@ -307,7 +307,8 @@
   if (pkg->status == stat_notinstalled)
      return;

- if (pkgbin->multiarch == multiarch_same)
+ // mvo: consider stat_configfiles multiarch to prevent LP: #1015567
+ if (pkgbin->multiarch == multiarch_same || pkg->status == stat_configfiles)
     count->multi++;
   else
     count->single++;