Check for a non-empty response from litelib_execute

src/firsttimewizard.cpp

@@ -636,7 +636,7 @@ bool NewSeedPage::validatePage() {
 
         // TODO: this is duplicated code that should be refactored
         // into a dedicated function
-        if (reply.toUpper().trimmed() != "OK") {
+        if (reply.isEmpty()) {
                 qDebug() << "Lite server " << parent->server << " is down, getting a random one";
                 parent->server = Settings::getRandomServer();
                 qDebug() << __func__ << ": new server is " << parent->server;
@@ -771,7 +771,7 @@ bool RestoreSeedPage::validatePage() {
 
         // TODO: this is duplicated code that should be refactored
         // into a dedicated function
-        if (reply.toUpper().trimmed() != "OK") {
+        if (reply.isEmpty()) {
                 qDebug() << "Lite server " << parent->server << " is down, getting a random one";
                 parent->server = Settings::getRandomServer();
                 qDebug() << __func__ << ": new server is " << parent->server;

src/mainwindow.cpp

@@ -246,7 +246,7 @@ MainWindow::MainWindow(QWidget *parent) :
             qDebug() << __func__ << ": caught an exception, ignoring: " << e.what();
         }
 
-        if (reply.toUpper().trimmed() != "OK") {
+        if (reply.isEmpty()) {
                 qDebug() << "Lite server " << config->server << " is down, getting a random one";
                 config->server = Settings::getRandomServer();
                 qDebug() << __func__ << ": new server is " << config->server;