Bug#856312: lintian.debian.org should also check -dbgsym packages

[Adrian Bunk <bunk@debian.org>]

Package: lintian
Version: 2.5.50.1
Severity: normal

lintian.debian.org should also check -dbgsym packages.

Example:

https://lintian.debian.org/maintainer/packages@qa.debian.org.html#vbrfix

This misses:
W: vbrfix-dbgsym: debug-file-with-no-debug-symbols usr/lib/debug/.build-id/76/438ccdc4d5078085e273992db0049ba600d48b.debug