fix popen not to leak pipes from one child to another

[musl] / src / misc / syscall.c

diff --git a/src/misc/syscall.c b/src/misc/syscall.c
index 9d435a9..6f3ef65 100644 (file)
--- a/src/misc/syscall.c
+++ b/src/misc/syscall.c
@@ -1,3 +1,5 @@
+#define _BSD_SOURCE
+#include <unistd.h>
 #include "syscall.h"
 #include <stdarg.h>