Change BUS_SPACE_UNRESTRICTED (~0ul) to plain ~0 when used in the

'int nsegments' argument to bus_dma_tag_create().  ~0ul does not fit in
an int on machines with 64 bit longs.

Noticed by:	alpha tinderbox

sys/dev/advansys/adv_isa.c

@@ -226,7 +226,7 @@ adv_isa_probe(device_t dev)
 					   /*filter*/NULL,
 					   /*filterarg*/NULL,
 					   maxsize,
-					   /*nsegs*/BUS_SPACE_UNRESTRICTED,
+					   /*nsegs*/~0,
 					   maxsegsz,
 					   /*flags*/0,
 					   &adv->parent_dmat);