staging: iio: quell asprintf() warning, missing #includes
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/iio/Documentation/generic_buffer.c b/drivers/staging/iio/Documentation/generic_buffer.c
index b16c4b2..827e92d 100644
--- a/drivers/staging/iio/Documentation/generic_buffer.c
+++ b/drivers/staging/iio/Documentation/generic_buffer.c
@@ -18,6 +18,8 @@
*
*/
+#define _GNU_SOURCE
+
#include <unistd.h>
#include <dirent.h>
#include <fcntl.h>
@@ -29,6 +31,7 @@
#include <string.h>
#include <poll.h>
#include <endian.h>
+#include <getopt.h>
#include <inttypes.h>
#include "iio_utils.h"