bitrig branch master updated

[Martin Natano]

the bitrig master branch has been updated by natano with 1 new commit:

commit 7d338782f0758a0d9df9a238d996d24eb8163dae
diff: https://github.com/bitrig/bitrig/commit/7d33878
author: Martin Natano <nat...@natano.net>
date: Thu Apr 23 17:28:57 2015 +0100

Replace various (T *)0 constructs with NULL in ksh.

We finally arrived in the next century, so we can use NULL to aid
readability. no binary change

from Mathieu Masson
ok pedro@

M       bin/ksh/c_ksh.c
M       bin/ksh/c_sh.c
M       bin/ksh/c_test.c
M       bin/ksh/c_ulimit.c
M       bin/ksh/edit.c
M       bin/ksh/eval.c
M       bin/ksh/exec.c
M       bin/ksh/expr.c
M       bin/ksh/io.c
M       bin/ksh/jobs.c
M       bin/ksh/lex.c
M       bin/ksh/main.c
M       bin/ksh/misc.c
M       bin/ksh/path.c
M       bin/ksh/shf.c
M       bin/ksh/syn.c
M       bin/ksh/trap.c
M       bin/ksh/tree.c
M       bin/ksh/var.c
M       bin/ksh/vi.c