Address some more valgrind issues

R=borenet@google.com

Review URL: https://codereview.chromium.org/59713010

git-svn-id: http://skia.googlecode.com/svn/trunk@12286 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/FontHostStreamTest.cpp b/tests/FontHostStreamTest.cpp
index 30e469b..e15bd5a 100644
--- a/tests/FontHostStreamTest.cpp
+++ b/tests/FontHostStreamTest.cpp
@@ -15,6 +15,7 @@
 #include "SkPaint.h"
 #include "SkPoint.h"
 #include "SkRect.h"
+#include "SkStream.h"
 #include "SkTypeface.h"
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -99,7 +100,7 @@
         }
 
         int ttcIndex;
-        SkStream* fontData = origTypeface->openStream(&ttcIndex);
+        SkAutoTUnref<SkStream> fontData(origTypeface->openStream(&ttcIndex));
         SkTypeface* streamTypeface = SkTypeface::CreateFromStream(fontData);
         SkSafeUnref(paint.setTypeface(streamTypeface));
         drawBG(&streamCanvas);