openpgp: Change KeyIter to return a struct instead of a tuple.

  - A tuple is just an unnamed, inflexible struct.  Use a struct
    instead.

  - Fixes #400.

1 files changed, 2 insertions, 2 deletions

diff --git a/ipc/examples/gpg-agent-sign.rs b/ipc/examples/gpg-agent-sign.rs
index e0cfeb98..dfc3f304 100644
--- a/ipc/examples/gpg-agent-sign.rs
+++ b/ipc/examples/gpg-agent-sign.rs
@@ -39,8 +39,8 @@ fn main() {
 
     // Construct a KeyPair for every signing-capable (sub)key.
     let mut signers = certs.iter().flat_map(|cert| {
-        cert.keys_valid().for_signing().filter_map(|(_, _, key)| {
-            KeyPair::new(&ctx, key).ok()
+        cert.keys_valid().for_signing().filter_map(|ka| {
+            KeyPair::new(&ctx, ka.key()).ok()
         })
     }).collect::<Vec<KeyPair>>();