SkNx Load/store: take any pointer.

src/core/SkGeometry.h

Index: src/core/SkGeometry.h
diff --git a/src/core/SkGeometry.h b/src/core/SkGeometry.h
index 935967ea784ba2118f00d070cce05becc466dab1..15f1e55195a9888285b34dadcc717e1615d54f7a 100644
--- a/src/core/SkGeometry.h
+++ b/src/core/SkGeometry.h
@@ -12,12 +12,12 @@
 #include "SkNx.h"
 
 static inline Sk2s from_point(const SkPoint& point) {
-    return Sk2s::Load(&point.fX);
+    return Sk2s::Load(&point);
 }
 
 static inline SkPoint to_point(const Sk2s& x) {
     SkPoint point;
-    x.store(&point.fX);
+    x.store(&point);
     return point;
 }