rpcrt4: Fix some conditional includes

[Francois Gouget]

On Fri, 12 May 2006, Alexandre Julliard wrote:
[...]
> There's no point, since we haven't yet found a platform that doesn't
> have them. The defines only exist because of things that autoconf does
> behind the scenes, we don't explicitly check for these headers.

And yet there are some places where we check for HAVE_SYS_TYPES_H. And 
if autoconf says these should be conditional there's no harm in 
checking, that way when that platforms turns up we'll be ready.


-- 
Francois Gouget <fgouget at free.fr>              http://fgouget.free.fr/
            Cahn's Axiom: When all else fails, read the instructions.