fix forward declarations (class/struct)

Author: skartashev

src/DockAreaTabBar.h

@@ -49,7 +49,7 @@ class CDockAreaTabBar : public QScrollArea
 	Q_OBJECT
 private:
 	DockAreaTabBarPrivate* d; ///< private data (pimpl)
-	friend class DockAreaTabBarPrivate;
+	friend struct DockAreaTabBarPrivate;
 	friend class CDockAreaTitleBar;
 
 private slots:

src/DockAreaTitleBar.h

@@ -50,7 +50,7 @@ class CDockAreaTitleBar : public QFrame
 	Q_OBJECT
 private:
 	DockAreaTitleBarPrivate* d; ///< private data (pimpl)
-	friend class DockAreaTitleBarPrivate;
+	friend struct DockAreaTitleBarPrivate;
 
 private slots:
 	void markTabsMenuOutdated();

src/DockAreaWidget.h

@@ -43,7 +43,7 @@ namespace ads
 struct DockAreaWidgetPrivate;
 class CDockManager;
 class CDockContainerWidget;
-struct DockContainerWidgetPrivate;
+class DockContainerWidgetPrivate;
 
 
 /**
@@ -58,7 +58,7 @@ class ADS_EXPORT CDockAreaWidget : public QFrame
 	DockAreaWidgetPrivate* d; ///< private data (pimpl)
 	friend struct DockAreaWidgetPrivate;
 	friend class CDockContainerWidget;
-	friend struct DockContainerWidgetPrivate;
+	friend class DockContainerWidgetPrivate;
 	friend class CDockWidgetTab;
 	friend struct DockWidgetPrivate;
 	friend class CDockWidget;

src/DockContainerWidget.h

@@ -57,7 +57,7 @@ class ADS_EXPORT CDockContainerWidget : public QFrame
 	Q_OBJECT
 private:
 	DockContainerWidgetPrivate* d; ///< private data (pimpl)
-	friend struct DockContainerWidgetPrivate;
+    friend class DockContainerWidgetPrivate;
 	friend class CDockManager;
 	friend struct DockManagerPrivate;
 	friend class CDockAreaWidget;

src/DockWidget.h

@@ -44,7 +44,7 @@ class CDockWidgetTab;
 class CDockManager;
 class CDockContainerWidget;
 class CDockAreaWidget;
-struct DockContainerWidgetPrivate;
+class DockContainerWidgetPrivate;
 
 /**
  * The QDockWidget class provides a widget that can be docked inside a
@@ -69,7 +69,7 @@ private slots:
 	friend class CFloatingDockContainer;
 	friend class CDockManager;
 	friend struct DockManagerPrivate;
-	friend struct DockContainerWidgetPrivate;
+	friend class DockContainerWidgetPrivate;
 	friend class CDockAreaTabBar;
 	friend class CDockWidgetTab;
 	friend struct DockWidgetTabPrivate;

src/ElidingLabel.h

@@ -46,7 +46,7 @@ class CElidingLabel : public QLabel
 	Q_OBJECT
 private:
 	ElidingLabelPrivate* d;
-	friend class ElidingLabelPrivate;
+	friend struct ElidingLabelPrivate;
 
 protected:
 	virtual void mouseReleaseEvent(QMouseEvent* event) override;