openpgp: Pass MessageStructure by value, not reference.

  - Instead of passing MessageStructure to VerificationHelper::check
    by reference, pass it by value.

  - After calling VerificationHelper::check, it is dropped.  Passing
    it by value allows the caller to avoid some cloning.

1 files changed, 1 insertions, 1 deletions

diff --git a/ipc/examples/gpg-agent-decrypt.rs b/ipc/examples/gpg-agent-decrypt.rs
index e76028ec..fe692689 100644
--- a/ipc/examples/gpg-agent-decrypt.rs
+++ b/ipc/examples/gpg-agent-decrypt.rs
@@ -116,7 +116,7 @@ impl<'a> VerificationHelper for Helper<'a> {
                        -> failure::Fallible<Vec<openpgp::Cert>> {
         Ok(Vec::new()) // Feed the Certs to the verifier here.
     }
-    fn check(&mut self, structure: &MessageStructure)
+    fn check(&mut self, structure: MessageStructure)
              -> failure::Fallible<()> {
         use self::VerificationResult::*;
         for layer in structure.iter() {