am 5535b051: write_file: introduce O_NOFOLLOW, use sane mask

* commit '5535b05120fa3fd3d68a09e01284aba35cc6e058':
  write_file: introduce O_NOFOLLOW, use sane mask
diff --git a/init/builtins.c b/init/builtins.c
index bfc0ddb..e8c8f91 100644
--- a/init/builtins.c
+++ b/init/builtins.c
@@ -57,7 +57,7 @@
 {
     int fd, ret, len;
 
-    fd = open(path, O_WRONLY|O_CREAT, 0622);
+    fd = open(path, O_WRONLY|O_CREAT|O_NOFOLLOW, 0600);
 
     if (fd < 0)
         return -errno;