Import new gnulib.

grub-core/kern/emu/argp_common.c

@@ -18,6 +18,7 @@
  */
 
 #include <config.h>
+#include <config-util.h>
 
 #define _GNU_SOURCE	1
 #include <stdlib.h>

grub-core/kern/emu/error.c

@@ -0,0 +1,2 @@
+#include <config-util.h>
+#include "../../gnulib/error.c"

grub-core/kern/emu/hostdisk.c

@@ -17,6 +17,8 @@
  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config-util.h>
+
 #include <grub/disk.h>
 #include <grub/partition.h>
 #include <grub/msdos_partition.h>

grub-core/kern/emu/hostfs.c

@@ -16,6 +16,9 @@
  *  You should have received a copy of the GNU General Public License
  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  */
+
+#include <config-util.h>
+
 #define _BSD_SOURCE
 #include <grub/fs.h>
 #include <grub/file.h>

grub-core/kern/emu/main.c

@@ -16,6 +16,9 @@
  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config.h>
+#include <config-util.h>
+
 #include <time.h>
 #include <stdio.h>
 #include <stdlib.h>