tweak latest vms-alpha.c change

[Alan Modra]

I wouldn't normally make this sort of change, but I had this in my
tree before Nick committed his fix..

It's that tiny bit nicer to have the "len" expression in order of
the components in the buffer.

diff --git a/bfd/vms-alpha.c b/bfd/vms-alpha.c
index a53ccdf4eb9..6eea61df08a 100644
--- a/bfd/vms-alpha.c
+++ b/bfd/vms-alpha.c
@@ -7733,7 +7733,7 @@ evax_bfd_print_dst (struct bfd *abfd, unsigned int dst_size, FILE *file)
 
 		evax_bfd_print_valspec (buf, len, 4, file);
 
-		len -= 1 + nlen + sizeof (*recbeg);
+		len -= sizeof (*recbeg) + 1 + nlen;
 		if (len >= 4)
 		  fprintf (file, _("    len: %u bits\n"),
 			   (unsigned) bfd_getl32 (name + 1 + nlen));

-- 
Alan Modra