patch 8.2.0402: setting local instead of global flag

Problem:    Setting local instead of global flag.
Solution:   Prepend "g:" to "test_is_flaky".
diff --git a/src/version.c b/src/version.c
index b18307b..c76d312 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    402,
+/**/
     401,
 /**/
     400,