Use proper SkFDot6 instead of int

src/core/SkEdge.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 SkEdge_DEFINED
@@ skipping 102 matching lines @@
 
     int top = SkFDot6Round(y0);
     int bot = SkFDot6Round(y1);
 
     // are we a zero-height line?
     if (top == bot) {
         return 0;
     }
 
     SkFixed slope = SkFDot6Div(x1 - x0, y1 - y0);
-    const int dy  = SkEdge_Compute_DY(top, y0);
+    const SkFDot6 dy  = SkEdge_Compute_DY(top, y0);
 
     fX          = SkFDot6ToFixed(x0 + SkFixedMul(slope, dy));   // + SK_Fixed1/2
     fDX         = slope;
     fFirstY     = top;
     fLastY      = bot - 1;
     fCurveCount = 0;
     fWinding    = SkToS8(winding);
     fCurveShift = 0;
     return 1;
 }
 
 
 #endif