Fixed clazy warnings: missing Q_OBJECT.

src/blackcore/context/contextapplicationempty.h

@@ -25,6 +25,8 @@ namespace BlackCore
         //! Application context
         class BLACKCORE_EXPORT CContextApplicationEmpty : public IContextApplication
         {
+            Q_OBJECT
+
         public:
             //! Constructor
             CContextApplicationEmpty(CCoreFacade *runtime) : IContextApplication(CCoreFacadeConfig::NotUsed, runtime) {}

src/blackcore/context/contextaudioempty.h

@@ -24,6 +24,8 @@ namespace BlackCore
         //! Audio context implementation
         class BLACKCORE_EXPORT CContextAudioEmpty : public IContextAudio
         {
+            Q_OBJECT
+
         public:
             //! Constructor
             CContextAudioEmpty(CCoreFacade *runtime) : IContextAudio(CCoreFacadeConfig::NotUsed, runtime) {}

src/blackcore/threadedreader.h

@@ -34,6 +34,8 @@ namespace BlackCore
     //! as data files via http, or file system and parsing (such as FSX models)
     class BLACKCORE_EXPORT CThreadedReader : public BlackMisc::CContinuousWorker
     {
+        Q_OBJECT
+
     public:
         //! Log categories
         static const BlackMisc::CLogCategoryList &getLogCategories();