patch 8.2.4788: large payload for LSP message not tested

Problem:    Large payload for LSP message not tested.
Solution:   Add a test with a large LSP payload. (Yegappan Lakshmanan,
            closes #10223)
diff --git a/src/version.c b/src/version.c
index c221c28..411ea1a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4788,
+/**/
     4787,
 /**/
     4786,