make sure getw/putw agree with prototypes by defining _GNU_SOURCE

[musl] / src / stdio / putw.c

diff --git a/src/stdio/putw.c b/src/stdio/putw.c
index 137832e..a6d2429 100644 (file)
--- a/src/stdio/putw.c
+++ b/src/stdio/putw.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
 #include <stdio.h>
 
 int putw(int x, FILE *f)