busybox 1.24.1 ash regression

[Ron Yorston]

Natanael Copa wrote:
>I bisected it to:
>
>7e66102f762a7d80715f0c7e5925433256b78cee is the first bad commit
>commit 7e66102f762a7d80715f0c7e5925433256b78cee
>Author: Denys Vlasenko <vda.linux at googlemail.com>
>Date:   Thu Feb 5 21:00:17 2015 +0100
>
>    ash: fix a SEGV case in an invalid heredoc

dash had the same issue until it was fixed by this commit:

commit 7c245aa8ed33ba5db30eef9369d67036a05b0371
Author: Herbert Xu <herbert at gondor.apana.org.au>
Date:   Tue Oct 28 17:22:16 2014 +0800

    [PARSER] Simplify EOF/newline handling in list parser

Ron