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)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2018,
 /**/
     2017,
 /**/