patch 7.4.1375

Problem:    Still some Win16 code.
Solution:   Remove FEAT_GUI_W16.(Hirohito Higashi)

src/ex_cmds.h

@@ -93,11 +93,7 @@ static struct cmdname
     ex_func_T   cmd_func;	/* function for this command */
     long_u	cmd_argt;	/* flags declared above */
     int		cmd_addr_type;	/* flag for address type */
-}
-# if defined(FEAT_GUI_W16)
-_far
-# endif
-cmdnames[] =
+} cmdnames[] =
 #else
 # define EX(a, b, c, d, e)  a
 enum CMD_index