Imported Upstream version 5.4.10
Merge tag 'upstream/5.4.10'

Upstream version 5.4.10
debian: switch to debhelper 9
debian: don't override lintian ITP bug message
debian: use debhelper 9 style hardening
don't ignore .patch files in git
debian: patch configure for multiarch libs
debian: changelog for 5.4.10-1