patch 8.2.2018: Vim9: script variable not found from lambda

Problem:    Vim9: script variable not found from lambda.
Solution:   In a lambda also check the script hashtab for a variable without a
            scope. (closes #7329)
diff --git a/src/version.c b/src/version.c
index 03f8a3f..ebfe94c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2018,
+/**/
     2017,
 /**/
     2016,