building on AIX

[Roland Illig]

Nerijus Baliunas wrote:
> OK, now these warnings are gone, but there's a new one:
> In file included from ftpfs.c:60:
> /usr/include/sys/socket.h:80: warning: empty declaration
> 
> /usr/include/sys/socket.h:80 is:
> typedef __ulong32_t socklen_t;
> 
> While running configure I saw:
> checking for socklen_t... no

I think I know the reason for it. Please add the sys/socket.h header to 
the list of headers in line 152..155 and rebuild the configure script. 
Then everything should work.

Roland