patch 8.2.3861: list of distributed files is outdated

Problem:    List of distributed files is outdated.
Solution:   Add new files.
diff --git a/src/version.c b/src/version.c
index 9c24b95..022c161 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3861,
+/**/
     3860,
 /**/
     3859,