Intitalize Private struct to hold KisVectorHelperPipe object

libs/brush/kis_vectoranimated_brush.cpp

@@ -57,6 +57,9 @@ public:
             m_parasite.nextIndex();
             m_currentIndex = m_parasite.index();
         }
+    void notifyStrokeStarted() override {
+    }
+
 
 private:
     int m_currentIndex;
@@ -65,10 +68,14 @@ private:
 
 
 
-
+struct KisVectorAnimatedBrush::Private {
+public:
+    KisVectorHelperPipe brushesPipe;
+};
 
 KisVectorAnimatedBrush::KisVectorAnimatedBrush(const QString& filename)
     : KisScalingSizeBrush(filename)   
+    , m_d(new Private())
 {
     setBrushType(PIPE_MASK);
     setSpacing(1.0);
@@ -78,6 +85,7 @@ KisVectorAnimatedBrush::KisVectorAnimatedBrush(const QString& filename)
 
 KisVectorAnimatedBrush::KisVectorAnimatedBrush(const KisVectorAnimatedBrush& rhs)
     : KisScalingSizeBrush(rhs)
+    , m_d(new Private())
     , m_svg(rhs.m_svg)   
 {
 }

libs/brush/kis_vectoranimated_brush.h

@@ -71,6 +71,8 @@ public:
 
 
 private:
+    struct Private;
+    Private * const m_d;
     QByteArray m_svg;
     QList<KoShape*> m_shapes;
     static QList<KisVectorShapeObject> m_vectorObjects;