The fix in a294a46fb9 was not enough.
This should finally resolve the problem when a package list ends
up empty (most notably due to #if evaluating to false).
Sponsored-By: Offensive Security
The user might not have created any package list or it might have
created a packages list that end up being empty due to various #if tests.
We should not fail in those cases.
Previously, we needed to keep the lb_* prefix as the scripts
could also be executed standalone. Since the lb wrapper is
mandatory since squeeze, we can drop this now.
Raphaël Hertzog
Daniel Baumann
Daniel Baumann
Colin Watson