fix next kevin fuzz

src/pathops/SkOpSpan.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkOpCoincidence.h"
 #include "SkOpContour.h"
 #include "SkOpSegment.h"
 #include "SkPathWriter.h"
@@ skipping 21 matching lines @@
     if (fPt != check->fPt) {
         return false;
     }
     SkASSERT(this != check);
     const SkOpSegment* segment = this->segment();
     SkASSERT(segment == check->segment());
     return segment->collapsed();
 }
 
 bool SkOpPtT::contains(const SkOpPtT* check) const {
-    SkASSERT(this != check);
+    SkOPASSERT(this != check);
     const SkOpPtT* ptT = this;
     const SkOpPtT* stopPtT = ptT;
     while ((ptT = ptT->next()) != stopPtT) {
         if (ptT == check) {
             return true;
         }
     }
     return false;
 }
 
@@ skipping 475 matching lines @@
 
 void SkOpSpan::setWindSum(int windSum) {
     SkASSERT(!final());
     if (fWindSum != SK_MinS32 && fWindSum != windSum) {
         this->globalState()->setWindingFailed();
         return;
     }
     SkASSERT(!DEBUG_LIMIT_WIND_SUM || SkTAbs(windSum) <= DEBUG_LIMIT_WIND_SUM);
     fWindSum = windSum;
 }