[LIBIBERTY]: Expose tail calls in xmemdup and xstrdup

[Ian Lance Taylor]

"Kaveh R. Ghazi" <ghazi@caip.rutgers.edu> writes:

> However I don't feel strongly about it.  Here's a patch which instead
> includes strings.h and I added a cast to memcpy just in case.
> 
> Okay for mainline?
> 
> 
> 2005-03-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
> 
> 	* xmemdup.c, xstrdup.c: Expose the tail call.

This is OK.  Thanks.

Ian