Initialize boolean variables

src/gui/properties/propertieswidget.cpp

@@ -710,7 +710,7 @@ void PropertiesWidget::configure()
 
 void PropertiesWidget::askWebSeed()
 {
-    bool ok;
+    bool ok = false;
     // Ask user for a new url seed
     const QString urlSeed = AutoExpandableDialog::getText(this, tr("New URL seed", "New HTTP source"),
                                                            tr("New URL seed:"), QLineEdit::Normal,

src/gui/properties/trackerlistwidget.cpp

@@ -482,7 +482,7 @@ void TrackerListWidget::editSelectedTracker()
     // During multi-select only process item selected last
     const QUrl trackerURL = selectedTrackerItems.last()->text(COL_URL);
 
-    bool ok;
+    bool ok = false;
     const QUrl newTrackerURL = AutoExpandableDialog::getText(this, tr("Tracker editing"), tr("Tracker URL:"),
                                                          QLineEdit::Normal, trackerURL.toString(), &ok).trimmed();
     if (!ok) return;

src/gui/rss/rsswidget.cpp

@@ -216,7 +216,7 @@ void RSSWidget::displayItemsListMenu(const QPoint &)
 
 void RSSWidget::askNewFolder()
 {
-    bool ok;
+    bool ok = false;
     QString newName = AutoExpandableDialog::getText(
                 this, tr("Please choose a folder name"), tr("Folder name:"), QLineEdit::Normal
                 , tr("New folder"), &ok);
@@ -257,7 +257,7 @@ void RSSWidget::on_newFeedButton_clicked()
     const QString clipText = qApp->clipboard()->text();
     const QString defaultURL = Net::DownloadManager::hasSupportedScheme(clipText) ? clipText : "http://";
 
-    bool ok;
+    bool ok = false;
     QString newURL = AutoExpandableDialog::getText(
                 this, tr("Please type a RSS feed URL"), tr("Feed URL:"), QLineEdit::Normal, defaultURL, &ok);
     if (!ok) return;
@@ -386,7 +386,7 @@ void RSSWidget::renameSelectedRSSItem()
 
     RSS::Item *rssItem = m_feedListWidget->getRSSItem(item);
     const QString parentPath = RSS::Item::parentPath(rssItem->path());
-    bool ok;
+    bool ok = false;
     do {
         QString newName = AutoExpandableDialog::getText(
                     this, tr("Please choose a new name for this RSS feed"), tr("New feed name:")

src/gui/transferlistwidget.cpp

@@ -1003,7 +1003,7 @@ void TransferListWidget::renameSelectedTorrent()
     if (!torrent) return;
 
     // Ask for a new Name
-    bool ok;
+    bool ok = false;
     QString name = AutoExpandableDialog::getText(this, tr("Rename"), tr("New name:"), QLineEdit::Normal, torrent->name(), &ok);
     if (ok && !name.isEmpty()) {
         name.replace(QRegularExpression("\r?\n|\r"), " ");