[Fai-commit] [faiproject/fai] 8c79a2: add variable checks so ifclass works under set -u

[noreply at github.com]

  Branch: refs/heads/master
  Home:   https://github.com/faiproject/fai

  Commit: 8c79a2245a105f81646a445095eee5d226645c6f
      https://github.com/faiproject/fai/commit/8c79a2245a105f81646a445095eee5d226645c6f
  Author: Michael Prokop <mika at grml.org>
  Date:   2011-11-26 (Sat, 26 Nov 2011)

  Changed paths:
    M lib/subroutines

  Log Message:
  -----------
  add variable checks so ifclass works under set -u

Features that are supposed to be used in scripts/hooks should
be 'set -u' safe, since that's a decision of the user.

Signed-off-by: Michael Prokop <mika at grml.org>