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-rw-r--r--nhrpd/zbuf.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/nhrpd/zbuf.c b/nhrpd/zbuf.c
index 6e7cad8ae..c66229508 100644
--- a/nhrpd/zbuf.c
+++ b/nhrpd/zbuf.c
@@ -7,7 +7,10 @@
* (at your option) any later version.
*/
-#define _GNU_SOURCE
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <string.h>
#include <unistd.h>
#include <errno.h>