patch 7.4.1777
Problem:    Newly added features can escape the sandbox.
Solution:   Add checks for restricted and secure. (Yasuhiro Matsumoto)
diff --git a/src/version.c b/src/version.c
index 1c35576..34b5f4c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1777,
+/**/
     1776,
 /**/
     1775,