fix some pathops bugs found in 1M skps

src/pathops/SkOpAngle.h

Index: src/pathops/SkOpAngle.h
diff --git a/src/pathops/SkOpAngle.h b/src/pathops/SkOpAngle.h
index dba3f3ffac98209c3bcd2fa665e29d1454f4409b..4b209de32da3448d15d72e4d01be74bb5e988d0b 100644
--- a/src/pathops/SkOpAngle.h
+++ b/src/pathops/SkOpAngle.h
@@ -30,7 +30,6 @@ struct SkOpAngle {
     bool after(SkOpAngle* test);
     int allOnOneSide(const SkOpAngle* test);
     bool checkCrossesZero() const;
-    void checkNearCoincidence();
     bool checkParallel(SkOpAngle* );
     bool computeSector();
     int convexHullOverlaps(const SkOpAngle* ) const;
@@ -47,6 +46,7 @@ struct SkOpAngle {
 #endif
 
 #if DEBUG_ANGLE
+    void debugCheckNearCoincidence() const;
     SkString debugPart() const;
 #endif
     const SkOpPtT* debugPtT(int id) const;