Use --build instead of --host in hurd-headers

[Manolis Ragkousis <manolis837@gmail.com>]

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In order to make my cross-base i686-pc-gnu toolchain patch much
simpler, I changed the --host=i686-pc-gnu flag with
--build=i686-pc-gnu in hurd-headers.

The problem is that if we keep --host, we have the same problems we
had with hurd-minimal. But because it's only the headers, --build flag
will do just great.
The hurd-headers package will not break so it's safe to push.

Manolis

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From a372021506d766da420957293d52d241d53e7c6c Mon Sep 17 00:00:00 2001
From: Manolis Ragkousis <manolis837@gmail.com>
Date: Sat, 27 Sep 2014 22:43:21 +0300
Subject: [PATCH] Use --build instead of --host

* gnu/packages/hurd.scm (hurd-headers): Replace the use of --host with --build.
---
 gnu/packages/hurd.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gnu/packages/hurd.scm b/gnu/packages/hurd.scm
index 346a37b..842e5b3 100644
--- a/gnu/packages/hurd.scm
+++ b/gnu/packages/hurd.scm
@@ -119,7 +119,7 @@ communication.")
 
        #:configure-flags '(;; Pretend we're on GNU/Hurd; 'configure' wants
                            ;; that.
-                           "--host=i686-pc-gnu"
+                           "--build=i686-pc-gnu"
 
                            ;; Reduce set of dependencies.
                            "--without-parted")
-- 
2.1.1