Reduced the moc abuse in qtcolorbutton

src/libs/utils/qtcolorbutton.cpp

@@ -40,8 +40,9 @@
 
 namespace Utils {
 
-class QtColorButtonPrivate
+class QtColorButtonPrivate: public QObject
 {
+    Q_OBJECT
     QtColorButton *q_ptr;
     Q_DECLARE_PUBLIC(QtColorButton)
 public:
@@ -286,4 +287,4 @@ void QtColorButton::dropEvent(QDropEvent *event)
 
 } // namespace Utils
 
-#include "moc_qtcolorbutton.cpp"
+#include "qtcolorbutton.moc"

src/libs/utils/qtcolorbutton.h

@@ -75,7 +75,6 @@ private:
     class QtColorButtonPrivate *d_ptr;
     friend class QtColorButtonPrivate;
     Q_DISABLE_COPY(QtColorButton)
-    Q_PRIVATE_SLOT(d_ptr, void slotEditColor())
 };
 
 } // namespace Utils