patch 8.2.3644: count for 'operatorfunc' in Visual mode is not redone

Problem:    Count for 'operatorfunc' in Visual mode is not redone.
Solution:   Add the count to the redo buffer. (closes #9174)
diff --git a/src/version.c b/src/version.c
index cf05293..67b2634 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3644,
+/**/
     3643,
 /**/
     3642,