tool: Dump output belongs on stderr.

  - decrypt called dumper.flush() with the same output destination as
    that used for the decrypted data.  But, the output of dump belongs
    on stderr.

1 files changed, 1 insertions, 1 deletions

diff --git a/tool/src/commands/decrypt.rs b/tool/src/commands/decrypt.rs
index aba4254f..1671e5da 100644
--- a/tool/src/commands/decrypt.rs
+++ b/tool/src/commands/decrypt.rs
@@ -224,7 +224,7 @@ pub fn decrypt(ctx: &Context, store: &mut store::Store,
 
     let helper = decryptor.into_helper();
     if let Some(dumper) = helper.dumper.as_ref() {
-        dumper.flush(output)?;
+        dumper.flush(&mut io::stderr())?;
     }
     helper.vhelper.print_status();
     return Ok(());