patch 8.2.2399: fold test fails in wide terminal

Problem:    Fold test fails in wide terminal.
Solution:   Adjust the test. (Dominique Pelle, closes #7731, closes #7739)
diff --git a/src/version.c b/src/version.c
index 568756b3..55ce713 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2399,
+/**/
     2398,
 /**/
     2397,