fix path ops fuzz buster

src/pathops/SkOpSegment.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef SkOpSegment_DEFINE
 #define SkOpSegment_DEFINE
 
 #include "SkOpAngle.h"
@@ skipping 164 matching lines @@
         return (*CurveDSlopeAtT[fVerb])(fPts, fWeight, mid);
     }
 
     void dump() const;
     void dumpAll() const;
     void dumpAngles() const;
     void dumpCoin() const;
     void dumpPts() const;
     void dumpPtsInner() const;
 
+    void findCollapsed();
     SkOpSegment* findNextOp(SkTDArray<SkOpSpanBase*>* chase, SkOpSpanBase** nextStart,
                              SkOpSpanBase** nextEnd, bool* unsortable, SkPathOp op,
                              int xorMiMask, int xorSuMask);
     SkOpSegment* findNextWinding(SkTDArray<SkOpSpanBase*>* chase, SkOpSpanBase** nextStart,
                                   SkOpSpanBase** nextEnd, bool* unsortable);
     SkOpSegment* findNextXor(SkOpSpanBase** nextStart, SkOpSpanBase** nextEnd, bool* unsortable);
     SkOpSpan* findSortableTop(SkOpContour* );
     SkOpGlobalState* globalState() const;
 
     const SkOpSpan* head() const {
@@ skipping 208 matching lines @@
     int fCount;  // number of spans (one for a non-intersecting segment)
     int fDoneCount;  // number of processed spans (zero initially)
     SkPath::Verb fVerb;
     SkDCubic::CubicType fCubicType;
     bool fTopsFound;
     bool fVisited;  // used by missing coincidence check
     SkDEBUGCODE(int fID);
 };
 
 #endif