Fix warnings of SkScalar -> int conversions, by using SkScalarRound()



git-svn-id: http://skia.googlecode.com/svn/trunk@921 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index 3fe1f4e..45cb2bb 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -436,7 +436,11 @@
         SkCanvas* canvas = fGpuCanvas ? fGpuCanvas : orig;
         SkDevice* device = canvas->getDevice();
         SkBitmap bitmap;
-        SkIRect bounds = { 0, 0, this->width(), this->height() };
+        SkIRect bounds = {
+            0, 0,
+            SkScalarRound(this->width()),
+            SkScalarRound(this->height())
+        };
         if (device->readPixels(bounds, &bitmap)) {
             static int gSampleGrabCounter;
             SkString name;