fix deserialization after FirstDirection change to paths

include/core/SkPath.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPath_DEFINED
 #define SkPath_DEFINED
 
@@ skipping 909 matching lines @@
 
 private:
     enum SerializationOffsets {
         // 1 free bit at 29
         kUnused1_SerializationShift = 28,    // 1 free bit
         kDirection_SerializationShift = 26, // requires 2 bits
         kIsVolatile_SerializationShift = 25, // requires 1 bit
         // 1 free bit at 24
         kConvexity_SerializationShift = 16, // requires 8 bits
         kFillType_SerializationShift = 8,   // requires 8 bits
-        // 8 free bits at 0
+        // low-8-bits are version
+    };
+
+    enum SerializationVersions {
+        kPathPrivFirstDirection_Version = 1,
+
+        kCurrent_Version = 1
     };
 
     SkAutoTUnref<SkPathRef> fPathRef;
 
     int                 fLastMoveToIndex;
     uint8_t             fFillType;
     mutable uint8_t     fConvexity;
     mutable uint8_t     fFirstDirection;    // SkPathPriv::FirstDirection
     mutable SkBool8     fIsVolatile;
 
@@ skipping 53 matching lines @@
     void setPt(int index, SkScalar x, SkScalar y);
 
     friend class SkAutoPathBoundsUpdate;
     friend class SkAutoDisableOvalCheck;
     friend class SkAutoDisableDirectionCheck;
     friend class SkBench_AddPathTest; // perf test reversePathTo
     friend class PathTest_Private; // unit test reversePathTo
 };
 
 #endif