patch 8.2.3622: "verbose pwd" shows confusing info

Problem:    "verbose pwd" shows confusing info when :lcd does not change
            directory.
Solution:   Clear last_chdir_reason also when the directory does not change.
            (closes #9160)
diff --git a/src/version.c b/src/version.c
index 46f9771..94238de 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3622,
+/**/
     3621,
 /**/
     3620,