Account for changes in bioctl output from:
http://www.openbsd.org/cgi-bin/cvsweb/src/sbin/bioctl/bioctl.c.diff?r1=1.98;r2=1.99;f=h

$OpenBSD: patch-check_bioctl,v 1.2 2012/04/04 21:49:44 merdely Exp $
--- check_bioctl.orig	Sat Mar 31 13:32:08 2012
+++ check_bioctl	Sat Mar 31 13:32:21 2012
@@ -158,7 +158,7 @@ sub read_bioctl {
         chomp $line;
 
         # Do these by columns cuZ that is the easiest for now
-        my @o = unpack( "A6 A1 A11 A15 A7 A9 A*", $line );
+        my @o = unpack( "A10 A1 A11 A15 A7 A9 A*", $line );
         return if $o[0] eq 'Volume';
 
         foreach (@o) {
