Revert "debian/: delete shlibs.local file"

This reverts commit 0c28b76e

.

While at it, bump version numbers to current ones.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>

debian/shlibs.local

+libxtables 11 libxtables11 (>= 1.6.0)