make mirrorsplit keep non-i386 oldstable (sarge) rather than non-i386 for stable (etch)

scripts/debian/mkfilesindices

@@ -83,7 +83,7 @@ for a in $ARCHES; do
     sort -u | poolfirst > ../arch-$a.files
 done
 
-(cat ../arch-i386.files ../arch-amd64.files; zcat suite-stable.list.gz suite-proposed-updates.list.gz) |
+(cat ../arch-i386.files ../arch-amd64.files; zcat suite-oldstable.list.gz suite-proposed-updates.list.gz) |
    sort -u | poolfirst > ../typical.files
 
 rm -f $ARCHLIST