patch 8.2.2621: typval2type() cannot handle recursive structures

Problem:    typval2type() cannot handle recursive structures.
Solution:   Use copyID. (closes #7979)
diff --git a/src/version.c b/src/version.c
index dfc0f03..842d138 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2621,
+/**/
     2620,
 /**/
     2619,