[rfc] Delete macro MALLOC_INCOMPATIBLE

[Andrew Cagney]

Kevin Buettner wrote:

> You forgot to attach the patch, but the following appears in stdlib.h
> on SunOS 4.1.4:
> 
> extern char *   malloc(/* size_t size */);

Thanks.  That is sufficient for me to drop the patch (but not the idea -
it is gone from HP/UX).

	Andrew