Re: Recent changes to regex.c break bootstrapping

[Chong Yidong]

> No, it is only included if emacs is #define:d (-Demacs), and it is not
> when compiling from lib-src.  But what are we trying to do, use
> xrealloc or define xrealloc as realloc?
>
> In the first case alloc.c needs to be linked in also, or perhaps
> xrealloc/xmalloc defined in regex.c also (as it is in termcap.s for
> example).

I went ahead and added xmalloc/xrealloc definitions for the non-emacs
part of regex.c.