Add missing scale value to fix SkGradientShader memory error

BUG=skia:2446
R=bsalomon@google.com

Author: egdaniel@google.com

Review URL: https://codereview.chromium.org/245623005

git-svn-id: http://skia.googlecode.com/svn/trunk@14291 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/gradients/SkGradientShader.cpp b/src/effects/gradients/SkGradientShader.cpp
index 7f08404..7737684 100644
--- a/src/effects/gradients/SkGradientShader.cpp
+++ b/src/effects/gradients/SkGradientShader.cpp
@@ -125,6 +125,7 @@
                 p += dp;
             }
             recs->fPos = SK_Fixed1;
+            recs->fScale = scale;
         }
     }
     this->initCommon();