patch 8.2.0023: command line editing not sufficiently tested

Problem:    Command line editing not sufficiently tested.
Solution:   Add more tests. (Dominique Pelle, closes #5374)
diff --git a/src/version.c b/src/version.c
index 2867702..5096633 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    23,
+/**/
     22,
 /**/
     21,