patch 8.2.2680: Vim9: problem defining a script variable from legacy function

Problem:    Vim9: problem defining a script variable from legacy function.
Solution:   Check if the script is Vim9, not the current syntax.
            (closes #8032)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2680,
 /**/
     2679,
 /**/