Fixed ddw3-mkmap not correctly rounding the entry step and sizes.

This didn't matter currently, as all the inputs are rounded, but once we start creating the inputs, they won't be rounded anymore.

tools/ddw3-mkmap/src/main.rs

@@ -60,6 +60,7 @@ fn main() -> Result<(), anyhow::Error> {
 		})
 		.collect::<Result<Vec<_>, anyhow::Error>>()?;
 	let entry_step = entry_lens.iter().copied().max().context("No entries")?;
+	let entry_step = entry_step.next_multiple_of(0x800);
 
 	// Write each file
 	for (entry_path, entry_idx) in input.entries.iter().zip(0..entries_len) {
@@ -112,6 +113,7 @@ fn main() -> Result<(), anyhow::Error> {
 		.context("Unable to write entry step")?;
 
 	for entry_size in entry_lens {
+		let entry_size = entry_size.next_multiple_of(0x800);
 		output
 			.write_u16::<LittleEndian>(entry_size)
 			.context("Unable to write header entry")?;