Fix a build error when TDESKTOP_DISABLE_AUTOUPDATE preprocessor defined

Signed-off-by: Heejune Kim <heejune@gmail.com> (github: heejune)

Telegram/SourceFiles/autoupdater.cpp

@@ -569,6 +569,8 @@ bool checkReadyUpdate() {
 	return true;
 }
 
+#endif
+
 QString countBetaVersionSignature(uint64 version) { // duplicated in packer.cpp
 	if (cBetaPrivateKey().isEmpty()) {
 		LOG(("Error: Trying to count beta version signature without beta private key!"));
@@ -613,4 +615,3 @@ QString countBetaVersionSignature(uint64 version) { // duplicated in packer.cpp
 	return QString::fromUtf8(signature.mid(19, 32));
 }
 
-#endif

Telegram/SourceFiles/autoupdater.h

@@ -66,6 +66,11 @@ private:
 
 bool checkReadyUpdate();
 
-QString countBetaVersionSignature(uint64 version);
+#else
+class UpdateDownloader : public QObject {
+	Q_OBJECT
+};
 
 #endif
+
+QString countBetaVersionSignature(uint64 version);