uxc: fix build with uClibc-ng

Also here _GNU_SOURCE was missing.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/uxc.c b/uxc.c
index a0a6706..13b4b8a 100644
--- a/uxc.c
+++ b/uxc.c
@@ -11,6 +11,10 @@
  * GNU General Public License for more details.
  */
 
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
 #include <stdlib.h>
 #include <stdbool.h>
 #include <fcntl.h>