Fix return types in Tesselator.i

Author: tpaviot

src/Tesselator/Tesselator.i

@@ -55,8 +55,9 @@ class ShapeTesselator {
         void GetNormal(int inorm, float& x, float& y, float& z);
         void GetTriangleIndex(int triangleIdx, int& v1, int& v2, int& v3);
         void GetEdgeVertex(int iEdge, int ivert, float& x, float& y, float& z);
-        float GetDeviation();
-        float* VerticesList();
+        double GetDeviation();
+        double* VerticesList();
+        double* NormalsList();
         int ObjGetTriangleCount();
         int ObjGetInvalidTriangleCount();
         int ObjGetVertexCount();