- Fix coverity #11176: UNINIT_CTOR

git-svn-id: http://root.cern.ch/svn/root/trunk@37753 27541ba8-7e3a-0410-8455-c3a389f83636

graf2d/graf/src/TPolyLine.cxx

@@ -152,6 +152,8 @@ TPolyLine::TPolyLine(const TPolyLine &polyline) : TObject(polyline), TAttLine(po
    // PolyLine copy constructor.
 
    fN = 0;
+   fX = 0;
+   fY = 0;
    fLastPoint = -1;
    ((TPolyLine&)polyline).Copy(*this);
 }