patch 8.2.1817: Vim9: wrong instruction when reusing a local variable spot

Problem:    Vim9: wrong instruction when reusing a local variable spot.
Solution:   Clear a newly allocated local variable. (closes #7080)
diff --git a/src/version.c b/src/version.c
index 598222a..5adfd96 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1817,
+/**/
     1816,
 /**/
     1815,