Restore backward compatibility with qt 5.12.0

src/connection.cpp

@@ -116,7 +116,7 @@ void ConnectionLoader::ShowProgress()
     DEBUG("Created syncTimer");
     connection->doRPC("sync", "", [=](auto) {
         qDebug()<< "Finished syncing";
-        isSyncing->storeRelaxed(false);
+        isSyncing->store(false);
         syncTimer->deleteLater();
         this->doRPCSetConnectionShield(connection);
     }, [=](auto) {
@@ -124,7 +124,7 @@ void ConnectionLoader::ShowProgress()
     });
 
     QObject::connect(syncTimer, &QTimer::timeout, [=]() {
-        if (!isSyncing || !isSyncing->loadRelaxed()) {
+        if (!isSyncing || !isSyncing->load()) {
             DEBUG("Syncing complete or isSyncing is null, stopping timer");
             syncTimer->stop();
             return;
@@ -218,7 +218,7 @@ void ConnectionLoader::doAutoConnect()
     auto connection = makeConnection(config);
     auto me = this;
     qDebug() << __func__ << ": server=" << config->server
-             << " connection=" << connection << " me=" << me << Qt::endl;
+             << " connection=" << connection << " me=" << me << endl;
 
     // After the lib is initialized, try to do get info
     connection->doRPC("info", "", [=](auto reply) {
@@ -226,7 +226,7 @@ void ConnectionLoader::doAutoConnect()
         connection->setInfo(reply);
         DEBUG("getting Connection reply");
         isSyncing = new QAtomicInteger<bool>();
-        isSyncing->storeRelaxed(true);
+        isSyncing->store(true);
         DEBUG("isSyncing set to true");
 
         // Do a sync at startup
@@ -234,7 +234,7 @@ void ConnectionLoader::doAutoConnect()
         DEBUG("Beginning sync at startup");
         connection->doRPC("sync", "", [=](auto) {
             qDebug()<<"finished syncing startup";
-            isSyncing->storeRelaxed(false);
+            isSyncing->store(false);
             // Cancel the timer
             syncTimer->deleteLater();
             // When sync is done, set the connection
@@ -245,7 +245,7 @@ void ConnectionLoader::doAutoConnect()
             QTimer::singleShot(5000, [=]() { // 5-second delay
                 connection->doRPC("sync", "", [=](auto) mutable {
                     qDebug()<<"sync success with server=" << config->server;
-                    isSyncing->storeRelaxed(false);
+                    isSyncing->store(false);
                     // Cancel the timer
                     syncTimer->deleteLater();
                     // When sync is done, set the connection
@@ -259,7 +259,7 @@ void ConnectionLoader::doAutoConnect()
         // While it is syncing, we'll show the status updates while it is alive.
         QObject::connect(syncTimer, &QTimer::timeout, [=]() {
             DEBUG("Check the sync status");
-            if (isSyncing != nullptr && isSyncing->loadRelaxed()) {
+            if (isSyncing != nullptr && isSyncing->load()) {
                 DEBUG("Getting the sync status");
                 try {
                 connection->doRPC("syncstatus", "", [=](json reply) {