Add missing override

plugins/messageviewer/bodypartformatter/gnupgwks/gnupgwksmessagepart.h

@@ -36,7 +36,7 @@ public:
 
     explicit GnuPGWKSMessagePart(MimeTreeParser::Interface::BodyPart *part);
 
-    virtual ~GnuPGWKSMessagePart() = default;
+    ~GnuPGWKSMessagePart() override = default;
 
     ConfirmationType confirmationType() const;
     QString sender() const;

plugins/messageviewer/bodypartformatter/gnupgwks/pgpkeymessagepart.h

@@ -31,7 +31,7 @@ class PgpKeyMessagePart : public MimeTreeParser::MessagePart
     Q_OBJECT
 public:
     explicit PgpKeyMessagePart(MimeTreeParser::Interface::BodyPart *part);
-    ~PgpKeyMessagePart() = default;
+    ~PgpKeyMessagePart() override = default;
 
     QDateTime keyDate() const;
     QString userID() const;