use SkScalar instead of int for loops, to avoid warning in canvas->translate() calls

gm/cubicpaths.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "gm.h"
 #include "SkCanvas.h"
 #include "SkPaint.h"
 #include "SkRandom.h"
@@ skipping 12 matching lines @@
     SkISize onISize() { return SkISize::Make(1240, 390); }
     
     virtual void onDraw(SkCanvas* canvas) {
         SkPath path;
         path.moveTo(0, 0);
         path.cubicTo(140, 150, 40, 10, 170, 150);
         
         SkPaint paint;
         SkRect bounds = path.getBounds();
         
-        for (int dy = -1; dy <= 1; ++dy) {
+        for (SkScalar dy = -1; dy <= 1; dy += 1) {
             canvas->save();
-            for (int dx = -1; dx <= 1; ++dx) {
+            for (SkScalar dx = -1; dx <= 1; dx += 1) {
                 canvas->save();
                 canvas->clipRect(bounds);
                 canvas->translate(dx, dy);
                 canvas->drawPath(path, paint);
                 canvas->restore();
                 
                 canvas->translate(bounds.width(), 0);
             }
             canvas->restore();
             canvas->translate(0, bounds.height());
@@ skipping 289 matching lines @@
 
 private:
     typedef skiagm::GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return new CubicPathGM; )
 DEF_GM( return new CubicClosePathGM; )
 DEF_GM( return new ClippedCubicGM; )