Put _XOPEN_SOURCE define before any includes as recommended.

diff --git a/libexfat/mount.c b/libexfat/mount.c
index 295d455..3874c3c 100644 (file)
--- a/libexfat/mount.c
+++ b/libexfat/mount.c
@@ -18,13 +18,13 @@
        along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#define _XOPEN_SOURCE /* for tzset() in Linux */
 #include "exfat.h"
 #include <string.h>
 #include <stdlib.h>
 #include <errno.h>
 #include <unistd.h>
 #include <sys/types.h>
-#define _XOPEN_SOURCE /* for tzset() in Linux */
 #include <time.h>
 
 static uint64_t rootdir_size(const struct exfat* ef)