Disable a check on a disk size because it's too strict. This change is

to avoid using incorrect geometry.

It seems that this is the same problem in g_part_bsd_read()@g_part_bsd.c.

Reviewed by:	rink
MFC after:	3 days

lib/libdisk/change.c

@@ -47,9 +47,11 @@ Sanitize_Bios_Geom(struct disk *disk)
 	if (disk->bios_sect > 63)
 		sane = 0;
 #endif
+#if 0	/* Disable a check on a disk size.  It's too strict. */
 	if (disk->bios_cyl * disk->bios_hd * disk->bios_sect !=
 	    disk->chunks->size)
 		sane = 0;
+#endif
 	if (sane)
 		return;