loplugin:useuniqueptr in SvgRadialAtomPrimitive2D

Change-Id: I00d1772732075848b25eb34d7c4b0386551c7e5f

drawinglayer/source/primitive2d/svggradientprimitive2d.cxx

@@ -1049,7 +1049,7 @@ namespace drawinglayer
             // check and evtl. set translations
             if(!rTranslateA.equal(rTranslateB))
             {
-                mpTranslate = new VectorPair(rTranslateA, rTranslateB);
+                mpTranslate.reset( new VectorPair(rTranslateA, rTranslateB) );
             }
 
             // scale A and B have to be positive
@@ -1093,11 +1093,6 @@ namespace drawinglayer
 
         SvgRadialAtomPrimitive2D::~SvgRadialAtomPrimitive2D()
         {
-            if(mpTranslate)
-            {
-                delete mpTranslate;
-                mpTranslate = nullptr;
-            }
         }
 
         bool SvgRadialAtomPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const

include/drawinglayer/primitive2d/svggradientprimitive2d.hxx

@@ -377,7 +377,7 @@ namespace drawinglayer
             };
 
             /// Only used when focal is set
-            VectorPair*                 mpTranslate;
+            std::unique_ptr<VectorPair> mpTranslate;
 
         protected: