bcachefs: eytzinger[01]_test improvement

In eytzinger[01]_test(), make sure that eytzinger[01]_for_each()
iterates over all array elements.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

fs/bcachefs/util.c

@@ -734,6 +734,7 @@ void eytzinger1_test(void)
 
 			inorder++;
 		}
+		BUG_ON(inorder - 1 != size);
 	}
 }
 
@@ -767,6 +768,7 @@ void eytzinger0_test(void)
 
 			inorder++;
 		}
+		BUG_ON(inorder != size);
 	}
 }