debian: avoid installing source.lintian-overrides

This avoids lintian errors if we try to rebuild the package since
source.lintian-overrides ends up getting installed in
debian/source/usr/src/lintian/overrides/source, which then gets
dropped in the diff file.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
1 file changed