patch 8.2.3779: using freed memory when defining a user command recursively

Problem:    Using freed memory when defining a user command from a user
            command.
Solution:   Do not use the command pointer after executing the command.
            (closes #9318)
diff --git a/src/version.c b/src/version.c
index 265229f..25669af 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3779,
+/**/
     3778,
 /**/
     3777,