Set initial point of the path in wxD2DPathData::wxD2DPathData ctor.

Set initial point to (0,0) for newly created Direct2D wxGraphicsPath path.

src/msw/graphicsd2d.cpp

@@ -1029,6 +1029,7 @@ private :
 wxD2DPathData::wxD2DPathData(wxGraphicsRenderer* renderer, ID2D1Factory* d2dFactory) :
     wxGraphicsPathData(renderer), m_direct2dfactory(d2dFactory),
     m_transformMatrix(D2D1::Matrix3x2F::Identity()),
+    m_currentPoint(D2D1::Point2F(0.0f, 0.0f)),
     m_figureOpened(false), m_geometryWritable(true)
 {
     m_direct2dfactory->CreatePathGeometry(&m_pathGeometry);