patch 8.1.2328: a few hangul input pieces remain

Problem:    A few hangul input pieces remain.
Solution:   Update VMS makefile.
diff --git a/src/version.c b/src/version.c
index 6cc909b..2469ce9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -738,6 +738,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2328,
+/**/
     2327,
 /**/
     2326,