f More div_ceil lints

Author: tnull

lightning-invoice/src/de.rs

@@ -102,7 +102,7 @@ impl FromBase32 for Bolt11InvoiceFeatures {
 		// Carry bits, 0, 1, 2, 3, or 4 bits
 		let mut carry_bits = 0;
 		let mut carry = 0u8;
-		let expected_raw_length = (field_data.len() * 5 + 7) / 8;
+		let expected_raw_length = (field_data.len() * 5).div_ceil(8);
 		let mut output = Vec::<u8>::with_capacity(expected_raw_length);
 
 		// Iterate over input in reverse

lightning-invoice/src/ser.rs

@@ -237,7 +237,7 @@ fn encode_int_be_base32(int: u64) -> impl ExactSizeIterator<Item = Fe32> {
 /// The length of the output of `encode_int_be_base32`.
 fn encoded_int_be_base32_size(int: u64) -> usize {
 	let bit_len = 64 - int.leading_zeros() as usize; // cast ok as value is in 0..=64.
-	(bit_len + 4) / 5
+	bit_len.div_ceil(5)
 }
 
 impl Base32Iterable for RawDataPart {