libset-scalar-perl: Package doesn't support multi-arch

[Randy Li]

Package: libva-dev
Source: libva
Version: 1.7.2-1
Installed-Size: 680
Maintainer: Debian Multimedia Maintainers 
<pkg-multimedia-maintainers at lists.alioth.debian.org>
Architecture: amd64
Depends: libva-drm1 (= 1.7.2-1), libva-egl1 (= 1.7.2-1), libva-glx1 (= 
1.7.2-1), libva-tpi1 (= 1.7.2-1), libva-wayland1 (= 1.7.2-1), 
libva-x11-1 (= 1.7.2-1), libva1 (= 1.7.2-1), libwayland-dev (>= 1.0.0), 
libset-scalar-perl

It problem still exists. I think the problem is that libset-scalar-perl 
is a non-arch package, which could use the build interrupter. But the 
multiarch didn't regard it as non-arch.