git: sh: Apply set -u to variables in arithmetic.

[Peter Avalos <pavalos@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 024481c1f7126a45bec71491e1287c2fff512050
Author: Peter Avalos <pavalos@dragonflybsd.org>
Date:   Sat Jul 2 14:07:08 2011 -1000

    sh: Apply set -u to variables in arithmetic.
    
    Note that this only applies to variables that are actually used.
    Things like (0 && unsetvar) do not cause an error.
    
    Obtained-from:   FreeBSD SVN rev 221463

Summary of changes:
 bin/sh/arith_yacc.c                        |    4 +++-
 tools/regression/bin/sh/expansion/set-u3.0 |    6 ++++++
 2 files changed, 9 insertions(+), 1 deletions(-)
 create mode 100644 tools/regression/bin/sh/expansion/set-u3.0

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/024481c1f7126a45bec71491e1287c2fff512050


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