jilles ba0d29571f 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.

Exp-run done by: pav (with some other sh(1) changes)
2011-05-04 22:12:22 +00:00
..
2010-12-21 22:47:34 +00:00
2011-03-07 07:31:15 +00:00
2010-12-21 22:47:34 +00:00
2011-02-21 09:01:34 +00:00
2009-12-24 18:41:14 +00:00
2010-06-02 19:16:58 +00:00
2009-12-24 18:41:14 +00:00