Fix lupdate warnings

Summary:
Class 'XXX' lacks Q_OBJECT macro

If you use tr() in a class it needs Q_OBJECT

Test Plan: It builds

Reviewers: drosca

Reviewed By: drosca

Subscribers: falkon

Tags: #falkon

Differential Revision: https://phabricator.kde.org/D25911

src/lib/navigation/completer/locationcompleterdelegate.h

@@ -24,6 +24,7 @@
 
 class FALKON_EXPORT LocationCompleterDelegate : public QStyledItemDelegate
 {
+    Q_OBJECT
 public:
     explicit LocationCompleterDelegate(QObject *parent = 0);
 

src/plugins/FlashCookieManager/fcm_plugin.cpp

@@ -43,6 +43,7 @@ const int refreshInterval = 60 * 1000;
 
 class FCM_Button : public AbstractButtonInterface
 {
+    Q_OBJECT
 public:
     explicit FCM_Button(QObject *parent = nullptr)
         : AbstractButtonInterface(parent)
@@ -462,3 +463,5 @@ QString FCM_Plugin::extractOriginFrom(const QString &path)
 
     return origin;
 }
+
+#include "fcm_plugin.moc"

src/plugins/TabManager/tabmanagerwidgetcontroller.cpp

@@ -34,6 +34,7 @@
 
 class TabManagerButton : public AbstractButtonInterface
 {
+    Q_OBJECT
 public:
     explicit TabManagerButton(QObject *parent = nullptr)
         : AbstractButtonInterface(parent)
@@ -236,3 +237,5 @@ void TabManagerWidgetController::emitRefreshTree()
 {
     emit requestRefreshTree();
 }
+
+#include "tabmanagerwidgetcontroller.moc"

src/plugins/VerticalTabs/verticaltabsschemehandler.h

@@ -21,6 +21,7 @@
 
 class VerticalTabsSchemeHandler : public ExtensionSchemeHandler
 {
+    Q_OBJECT
 public:
     explicit VerticalTabsSchemeHandler(QObject *parent = nullptr);