[pkg] Fix lintian error

Fix this lintian error:

    00:14:29 W: soledad source: maintainer-script-lacks-debhelper-token
    debian/soledad-server.postinst
    00:14:29 N:
    00:14:29 N:    This package is built using debhelper commands that may
    modify
    00:14:29 N:    maintainer scripts, but the maintainer scripts do not
    contain the
    00:14:29 N:    "#DEBHELPER#" token debhelper uses to modify them.
    00:14:29 N:
    00:14:29 N:    Adding the token to the scripts is recommended.
    00:14:29 N:
    00:14:29 N:    Severity: normal, Certainty: possible
    00:14:29 N:
    00:14:29 N:    Check: debhelper, Type: source
    00:14:29 N:

0 files changed, 0 insertions, 0 deletions