xinetd: Patch configure script to fix rlim_t test

Fixes build with musl libc.

[Thomas: use 004 sequence number instead of 005 for the patch.]

Signed-off-by: Maarten ter Huurne <maarten@treewalker.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>