openpgp: Combine Signature4::signature_expired and its _at variant.

  - Combine Signature4::signature_expired and
    Signature4::signature_expired_at.

  - Use an Into<Option<time::Tm>> to distinguish the two previous
    cases: the current time (None), and a specific time (a time::Tm).

1 files changed, 1 insertions, 1 deletions

diff --git a/tool/src/commands/inspect.rs b/tool/src/commands/inspect.rs
index 438a2f77..526490e0 100644
--- a/tool/src/commands/inspect.rs
+++ b/tool/src/commands/inspect.rs
@@ -149,7 +149,7 @@ fn inspect_tpk(output: &mut io::Write, tpk: &openpgp::TPK,
         writeln!(output, "         UserID: {}", uidb.userid())?;
         inspect_revocation(output, "", uidb.revoked(None))?;
         if let Some(sig) = uidb.binding_signature(None) {
-            if sig.signature_expired() {
+            if sig.signature_expired(None) {
                 writeln!(output, "                 Expired")?;
             } else if ! sig.signature_alive() {
                 writeln!(output, "                 Not yet valid")?;