patch 8.1.0476: memory leaks in test_escaped_glob

Problem:    Memory leaks in test_escaped_glob.
Solution:   Avoid failure when running the shell, use the sandbox.
diff --git a/src/version.c b/src/version.c
index 4523c71..56addcd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -793,6 +793,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    476,
+/**/
     475,
 /**/
     474,