Publish OCSP snapshots through Redis

ocsp-responder/src/snapshot.rs

@@ -23,7 +23,7 @@ pub struct StatusEntry {
     pub reason: Option<CrlReason>,
 }
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Default)]
 pub struct Snapshot {
     pub entries: HashMap<Vec<u8>, StatusEntry>,
 }