openpgp: Use a builder to construct Verifier.

  - See #498.

1 files changed, 2 insertions, 1 deletions

diff --git a/tool/src/commands/mod.rs b/tool/src/commands/mod.rs
index 1639c087..e7851f70 100644
--- a/tool/src/commands/mod.rs
+++ b/tool/src/commands/mod.rs
@@ -390,7 +390,8 @@ pub fn verify(ctx: &Context, policy: &dyn Policy,
         v.verify_reader(input)?;
         v.into_helper()
     } else {
-        let mut v = Verifier::from_reader(policy, input, helper, None)?;
+        let mut v = VerifierBuilder::from_reader(input)?
+            .with_policy(policy, None, helper)?;
         io::copy(&mut v, output)?;
         v.into_helper()
     };