patch 8.2.4252: generating the normal command table at runtime is inefficient

Problem:    Generating the normal command table at runtime is inefficient.
Solution:   Generate the table with a Vim script and put it in a header file.
            (Yegappan Lakshmanan, closes #9648)
diff --git a/src/Make_vms.mms b/src/Make_vms.mms
index 5ee4aab..0569054 100644
--- a/src/Make_vms.mms
+++ b/src/Make_vms.mms
@@ -977,7 +977,7 @@
 normal.obj : normal.c vim.h [.auto]config.h feature.h os_unix.h \
  ascii.h keymap.h termdefs.h macros.h structs.h regexp.h \
  gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \
- errors.h globals.h
+ errors.h globals.h nv_cmdidxs.h
 ops.obj : ops.c vim.h [.auto]config.h feature.h os_unix.h   \
  ascii.h keymap.h termdefs.h macros.h structs.h regexp.h gui.h beval.h \
  [.proto]gui_beval.pro option.h ex_cmds.h proto.h errors.h globals.h