More cleanup in the Vulkan viewer

gm/scaledstrokes.cpp

 /*
  * Copyright 2015 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 "SkRRect.h"
@@ skipping 55 matching lines @@
                 canvas->restore();
 
                 canvas->save();
                 canvas->translate(0.0f, 240.0f);
                 canvas->scale(scale, scale);
                 canvas->drawLine(0.0f, 0.0f, size / scale, size / scale, paint);
                 canvas->restore();
 
                 canvas->translate(80.0f, 0.0f);
             }
+            canvas->restore();
         }
 
     }
 
 private:
     typedef GM INHERITED;
 };
 
 DEF_GM( return new ScaledStrokesGM; )