Revert of fix destructor order to fix build

src/pathops/SkPathOpsCommon.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkAddIntersections.h"
 #include "SkOpCoincidence.h"
 #include "SkOpEdgeBuilder.h"
 #include "SkPathOpsCommon.h"
@@ skipping 422 matching lines @@
 };
 
     /*
         check start and end of each contour
         if not the same, record them
         match them up
         connect closest
         reassemble contour pieces into new path
     */
 void Assemble(const SkPathWriter& path, SkPathWriter* simple) {
-    SkChunkAlloc allocator(4096);  // FIXME: constant-ize, tune
     SkOpContour contour;
     SkOpGlobalState globalState(NULL  PATH_OPS_DEBUG_PARAMS(&contour));
 #if DEBUG_PATH_CONSTRUCTION
     SkDebugf("%s\n", __FUNCTION__);
 #endif
+    SkChunkAlloc allocator(4096);  // FIXME: constant-ize, tune
     SkOpEdgeBuilder builder(path, &contour, &allocator, &globalState);
     builder.finish(&allocator);
     SkTDArray<const SkOpContour* > runs;  // indices of partial contours
     const SkOpContour* eContour = builder.head();
     do {
         if (!eContour->count()) {
             continue;
         }
         const SkPoint& eStart = eContour->start();
         const SkPoint& eEnd = eContour->end();
@@ skipping 248 matching lines @@
         missingCoincidence(contourList, coincidence, allocator);
         if (!coincidence->apply()) {
             return false;
         }
     }
 #if DEBUG_ACTIVE_SPANS
     DebugShowActiveSpans(*contourList);
 #endif
     return true;
 }