stripe_width should be sector_t to support large devices.

Signed-Off-By: Alasdair G Kergon <agk@redhat.com>

[Included upstream]

--- diff/drivers/md/dm-stripe.c	2005-02-07 15:30:59.000000000 +0000
+++ source/drivers/md/dm-stripe.c	2005-02-07 16:19:38.000000000 +0000
@@ -21,7 +21,7 @@
 	uint32_t stripes;
 
 	/* The size of this target / num. stripes */
-	uint32_t stripe_width;
+	sector_t stripe_width;
 
 	/* stripe chunk size */
 	uint32_t chunk_shift;