Should be fixed in current releases.

Michael Prokop <mika@grml.org> has uploaded a package that may fix your bug.
Please test the package and inform the maintainer whether
version 1.1.7 of grml-etc works as intended or not.

Thank you

The changelog is attached below

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Format: 1.7
Date: Mon, 06 Oct 2008 00:02:30 +0200
Source: grml-etc
Binary: grml-etc
Architecture: source all
Version: 1.1.7
Distribution: unstable
Urgency: low
Maintainer: Michael Prokop <mika@grml.org>
Changed-By: Michael Prokop <mika@grml.org>
Description: 
 grml-etc   - ecetera files for the grml system
Changes: 
 grml-etc (1.1.7) unstable; urgency=low
 .
   * /etc/init.d/grml-reboot: do no longer access files in /GRML/dev/.
     [Testing: issue545]
Files: 
 9c6b09bef2855a996f55f0cdc008b91a 570 grml optional grml-etc_1.1.7.dsc
 454ccdd50f702e401ae5d418ef856807 151573 grml optional grml-etc_1.1.7.tar.gz
 53883fc7434ed4d4ea2e4a5589fd496a 152386 grml optional grml-etc_1.1.7_all.deb

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Some files in /GRML/dev/* are still accessed in /etc/init.d/grml-reboot, let's 
get rid of this.