git: dloader - Add dvar_istrue() to test boolean variables.

[Joe Talbott]

commit 11dfbb1c240025d69fc852ad0444b2b57a301207
Author: Joe Talbott <josepht at dragonflybsd.org>
Date:   Thu Sep 23 15:59:15 2010 -0400

    dloader - Add dvar_istrue() to test boolean variables.
    
    * Accepts any form of 'yes', 'true', 'on', or '1' as true.

Summary of changes:
 sys/boot/dloader/subs.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/11dfbb1c240025d69fc852ad0444b2b57a301207


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