NOISSUE do not keep downloads in memory, add (some) missing virtual dtors

api/logic/net/ChecksumValidator.h

@@ -24,7 +24,6 @@ public: /* methods */
 	bool write(QByteArray & data) override
 	{
 		m_checksum.addData(data);
-		this->data.append(data);
 		return true;
 	}
 	bool abort() override
@@ -50,7 +49,6 @@ public: /* methods */
 	}
 
 private: /* data */
-	QByteArray data;
 	QCryptographicHash m_checksum;
 	QByteArray m_expected;
 };

api/logic/net/PasteUpload.h

@@ -12,6 +12,7 @@ class MULTIMC_LOGIC_EXPORT PasteUpload : public Task
 public:
 	PasteUpload(QWidget *window, QString text, QString key = "public");
 	virtual ~PasteUpload();
+
 	QString pasteLink()
 	{
 		return m_pasteLink;