Xen: fix braces coding style issue in gntdev.c and grant-table.c

This is a patch to the gntdev.c and grant-table.c files that fixed up
braces errors found by the checkpatch.pl tools.
Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

drivers/xen/gntdev.c

@@ -188,9 +188,8 @@ static void gntdev_put_map(struct grant_map *map)
 
 	atomic_sub(map->count, &pages_mapped);
 
-	if (map->notify.flags & UNMAP_NOTIFY_SEND_EVENT) {
+	if (map->notify.flags & UNMAP_NOTIFY_SEND_EVENT)
 		notify_remote_via_evtchn(map->notify.event);
-	}
 
 	if (map->pages) {
 		if (!use_ptemod)

drivers/xen/grant-table.c

@@ -193,7 +193,7 @@ int gnttab_query_foreign_access(grant_ref_t ref)
 
 	nflags = shared[ref].flags;
 
-	return (nflags & (GTF_reading|GTF_writing));
+	return nflags & (GTF_reading|GTF_writing);
 }
 EXPORT_SYMBOL_GPL(gnttab_query_foreign_access);