clean up TODO file. No real code changes.

diff --git a/e2fsprogs/old_e2fsprogs/blkid/dev.c b/e2fsprogs/old_e2fsprogs/blkid/dev.c
index f6503f1..bb0cc91 100644
--- a/e2fsprogs/old_e2fsprogs/blkid/dev.c
+++ b/e2fsprogs/old_e2fsprogs/blkid/dev.c
@@ -20,8 +20,7 @@
 {
 	blkid_dev dev;
 
-	if (!(dev = (blkid_dev) calloc(1, sizeof(struct blkid_struct_dev))))
-		return NULL;
+	dev = xzalloc(sizeof(struct blkid_struct_dev));
 
 	INIT_LIST_HEAD(&dev->bid_devs);
 	INIT_LIST_HEAD(&dev->bid_tags);