patch 8.2.0679: Vim9: incomplete support for closures

Problem:    Vim9: incomplete support for closures.
Solution:   At the end of a function copy arguments and local variables if
            they are still used by a referenced closure.
diff --git a/src/version.c b/src/version.c
index 29763f7..eb88916 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    679,
+/**/
     678,
 /**/
     677,