Update to _DEFAULT_SOURCE.

diff --git a/dus.c b/dus.c
index 6de022a..ac1a7d3 100644 (file)
--- a/dus.c
+++ b/dus.c
@@ -24,7 +24,7 @@
 
 #define VERSION_NUMBER "1.3"
 
-#define _BSD_SOURCE
+#define _DEFAULT_SOURCE
 
 #include <sys/types.h>
 #include <sys/stat.h>