Add missing scale value to fix SkGradientShader memory error

src/effects/gradients/SkGradientShader.cpp

 /*
  * 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.
  */
 
 #include "SkGradientShaderPriv.h"
 #include "SkLinearGradient.h"
 #include "SkRadialGradient.h"
@@ skipping 107 matching lines @@
             SkFixed dp = SK_Fixed1 / (desc.fCount - 1);
             SkFixed p = dp;
             SkFixed scale = (desc.fCount - 1) << 8;  // (1 << 24) / dp
             for (int i = 1; i < desc.fCount - 1; i++) {
                 recs->fPos   = p;
                 recs->fScale = scale;
                 recs += 1;
                 p += dp;
             }
             recs->fPos = SK_Fixed1;
+            recs->fScale = scale;
         }
     }
     this->initCommon();
 }
 
 static uint32_t pack_mode_flags(SkShader::TileMode mode, uint32_t flags) {
     SkASSERT(0 == (flags >> 28));
     SkASSERT(0 == ((uint32_t)mode >> 4));
     return (flags << 4) | mode;
 }
@@ skipping 1056 matching lines @@
             (*stops)[i] = stop;
             stop = i < outColors - 1 ? stop + random->nextUScalar1() * (1.f - stop) : 1.f;
         }
     }
     *tm = static_cast<SkShader::TileMode>(random->nextULessThan(SkShader::kTileModeCount));
 
     return outColors;
 }
 
 #endif