Make CPDF_Path have a CFX_Path rather than inheriting

fpdfsdk/fpdf_transformpage.cpp

Index: fpdfsdk/fpdf_transformpage.cpp
diff --git a/fpdfsdk/fpdf_transformpage.cpp b/fpdfsdk/fpdf_transformpage.cpp
index 712080a9dec9584227851e04e26089e16f4b0b41..f76cc2be8cc9a4ed82a001b1df1cd340a2cbd28c 100644
--- a/fpdfsdk/fpdf_transformpage.cpp
+++ b/fpdfsdk/fpdf_transformpage.cpp
@@ -219,11 +219,11 @@ DLLEXPORT FPDF_CLIPPATH STDCALL FPDF_CreateClipPath(float left,
                                                     float bottom,
                                                     float right,
                                                     float top) {
-  CPDF_ClipPath* pNewClipPath = new CPDF_ClipPath();
-  pNewClipPath->GetPrivateCopy();
   CPDF_Path Path;
-  Path.GetPrivateCopy();
   Path.AppendRect(left, bottom, right, top);
+
+  CPDF_ClipPath* pNewClipPath = new CPDF_ClipPath();
+  pNewClipPath->GetPrivateCopy();
   pNewClipPath->AppendPath(Path, FXFILL_ALTERNATE, FALSE);
   return pNewClipPath;
 }