Flush data on BzDecoder::finish

Signed-off-by: Jiahao XU <30436523+NobodyXu@users.noreply.github.com>

Author: NobodyXu

crates/compression-codecs/src/bzip2/decoder.rs

@@ -105,6 +105,16 @@ impl Decode for BzDecoder {
         &mut self,
         _output: &mut PartialBuffer<impl AsRef<[u8]> + AsMut<[u8]>>,
     ) -> io::Result<bool> {
-        Ok(true)
+        match self.decode(
+            &mut PartialBuffer::new(&[][..]),
+            output,
+        )? {
+            Status::Ok
+            | Status::FlushOk
+            | Status::RunOk
+            | Status::FinishOk  => Ok(false),
+            Status::StreamEnd => Ok(true),
+            Status::MemNeeded => Err(io::ErrorKind::OutOfMemory.into()),
+        }
     }
 }