Let update-rc.d set changed flag properly
Let update-rc.d set changed flag properly

When update-rc.d is used to enable/disable service, the changed flag was
always true (see #2189). This commit fixes that.

Signed-off-by: martin f. krafft <acc3492a66a5949176a2fc8886cf441478ca46a1@madduck.net>

thaim/ansible,thaim/ansible