fix pathops fuzz bugs

src/pathops/SkPathOpsCommon.h

Index: src/pathops/SkPathOpsCommon.h
diff --git a/src/pathops/SkPathOpsCommon.h b/src/pathops/SkPathOpsCommon.h
index 73bc0f42ccd4fcd6dce36c10ece18cafaa24d76f..856a984ce5d6daea306f47873caa228f6f899bbe 100644
--- a/src/pathops/SkPathOpsCommon.h
+++ b/src/pathops/SkPathOpsCommon.h
@@ -22,11 +22,12 @@ SkOpSegment* FindChase(SkTDArray<SkOpSpanBase*>* chase, SkOpSpanBase** startPtr,
 SkOpSpan* FindSortableTop(SkOpContourHead* );
 SkOpSegment* FindUndone(SkOpContourHead* , SkOpSpanBase** startPtr,
                         SkOpSpanBase** endPtr);
-void FixWinding(SkPath* path);
+bool FixWinding(SkPath* path);
 bool SortContourList(SkOpContourHead** , bool evenOdd, bool oppEvenOdd);
 bool HandleCoincidence(SkOpContourHead* , SkOpCoincidence* , SkChunkAlloc* );
 bool OpDebug(const SkPath& one, const SkPath& two, SkPathOp op, SkPath* result,
-             bool expectSuccess  SkDEBUGPARAMS(const char* testName));
+             bool expectSuccess  SkDEBUGPARAMS(bool skipAssert)
+             SkDEBUGPARAMS(const char* testName));
 #if DEBUG_ACTIVE_SPANS
 void DebugShowActiveSpans(SkOpContourHead* );
 #endif