include sys/param.h in getcwd.c

[Carlos O'Donell]

On Wed, Feb 15, 2012 at 1:10 PM, Joseph S. Myers
<joseph@codesourcery.com> wrote:
> I came across this 2006 patch
> <http://sourceware.org/ml/libc-alpha/2006-06/msg00068.html> in the course
> of reviewing bugs.  I think it should go in as an obvious fix - source
> files should use well-defined APIs of the headers they include rather than
> relying on long indirect include paths for internal headers.  Comments?

I fully agree. Please check this fix into trunk. For several years I
carried a similar patch locally because the hppa header layout did not
pull in MAX.

Cheers,
Carlos.