lintian: Add in an explicit source format

Change-Id: Ic1a2e96a38e31836b63dfddbfe3004e349559a16
(cherry picked from commit 8846ae678f089179c7e6ae4c12598ba33426239f)
1 file changed
tree: d74e293310e0edd1a6d40c914a4f4ac5047334fa
  1. debian/