only call scalar finite when necessary

src/pathops/SkDLineIntersection.cpp

Index: src/pathops/SkDLineIntersection.cpp
diff --git a/src/pathops/SkDLineIntersection.cpp b/src/pathops/SkDLineIntersection.cpp
index 6fbac978b6e82d99a0e579cf8650524760b76b6a..71e2a064d5c952d2b470adaf05ca91446f2d2fbe 100644
--- a/src/pathops/SkDLineIntersection.cpp
+++ b/src/pathops/SkDLineIntersection.cpp
@@ -108,7 +108,7 @@ int SkIntersections::intersect(const SkDLine& a, const SkDLine& b) {
     double ayBxLen = ayLen * bxLen;
     // detect parallel lines the same way here and in SkOpAngle operator <
     // so that non-parallel means they are also sortable
-    bool unparallel = fAllowNear ? NotAlmostEqualUlps(axByLen, ayBxLen)
+    bool unparallel = fAllowNear ? NotAlmostEqualUlps_Pin(axByLen, ayBxLen)
             : NotAlmostDequalUlps(axByLen, ayBxLen);
     if (unparallel && fUsed == 0) {
         double ab0y = a[0].fY - b[0].fY;