Delete leaking controls

src/dlgprefcontrols.cpp

@@ -287,6 +287,8 @@ DlgPrefControls::DlgPrefControls(QWidget * parent, MixxxApp * mixxx,
 
 DlgPrefControls::~DlgPrefControls()
 {
+    delete m_pControlPositionDisplay;
+
     foreach (ControlObjectThreadMain* pControl, m_rateControls) {
         delete pControl;
     }

src/engine/positionscratchcontroller.cpp

@@ -86,9 +86,10 @@ PositionScratchController::PositionScratchController(const char* pGroup)
 }
 
 PositionScratchController::~PositionScratchController() {
-    delete m_pScratchEnable;
-    delete m_pVelocityController;
     delete m_pRateIIFilter;
+    delete m_pVelocityController;
+    delete m_pScratchPosition;
+    delete m_pScratchEnable;
 }
 
 //volatile double _p = 0.3;

src/engine/vinylcontrolcontrol.cpp

@@ -45,12 +45,15 @@ VinylControlControl::VinylControlControl(const char* pGroup, ConfigObject<Config
 }
 
 VinylControlControl::~VinylControlControl() {
+    delete m_pControlVinylSignalEnabled;
+    delete m_pControlVinylCueing;
+    delete m_pControlVinylMode;
+    delete m_pControlVinylWantEnabled;
+    delete m_pControlVinylEnabled;
+    delete m_pControlVinylScratching;
     delete m_pControlVinylSeek;
-    delete m_pControlVinylStatus;
     delete m_pControlVinylSpeedType;
-    delete m_pControlVinylEnabled;
-    delete m_pControlVinylMode;
-    delete m_pControlVinylCueing;
+    delete m_pControlVinylStatus;
 }
 
 void VinylControlControl::trackLoaded(TrackPointer pTrack) {

src/recording/recordingmanager.cpp

@@ -46,8 +46,10 @@ RecordingManager::RecordingManager(ConfigObject<ConfigValue>* pConfig, EngineMas
 RecordingManager::~RecordingManager()
 {
     qDebug() << "Delete RecordingManager";
-    delete m_recReadyCO;
+
     delete m_recReady;
+    delete m_recReadyCO;
+    delete m_pToggleRecording;
 }
 
 QString RecordingManager::formatDateTimeForFilename(QDateTime dateTime) const {