[PATCH] missing includes in test/sfd.c

[enh]

diff --git a/test/sfd.c b/test/sfd.c
index 815da80..34eec7d 100644
--- a/test/sfd.c
+++ b/test/sfd.c
@@ -1,5 +1,7 @@
 #include <fcntl.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>

 int main(int argc, char *argv[])
 {