debian: use more specific library file names in *.files

debian: use more specific library file names in *.files

This patch specifies libraries using a more specific glob that will pick
only the lib*.so.<version> file and will not match the lib*.so symlink
and the lib*.a archive/static library.

Signed-off-by: Filipe Brandenburger <filbranden@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>