[fix] include config.h to activate missing symbols

MAP_ANONYMOUS is only visible in _GNU_SOURCE code. Ensure the config
header is included first so that this symbol appears.

include/aml.h

@@ -19,6 +19,7 @@
 #define AML_H 1
 
 #include <assert.h>
+#include <errno.h>
 #include <inttypes.h>
 #include <numa.h>
 #include <numaif.h>

include/aml/area/linux.h

@@ -11,10 +11,6 @@
 #ifndef AML_AREA_LINUX_NUMA_H
 #define AML_AREA_LINUX_NUMA_H
 
-#include <sys/mman.h>
-#include <numa.h>
-#include <numaif.h>
-
 /**
  * @defgroup aml_area_linux "AML Linux Areas"
  * @brief Linux Implementation of Areas.

src/area/linux.c

@@ -7,8 +7,7 @@
  *
  * SPDX-License-Identifier: BSD-3-Clause
 *******************************************************************************/
-#include <stdlib.h>
-#include <errno.h>
+#include "config.h"
 
 #include "aml.h"
 #include "aml/area/linux.h"