add BitmapBench



git-svn-id: http://skia.googlecode.com/svn/trunk@83 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/core/SkTRegistry.h b/include/core/SkTRegistry.h
index 83c08de..f0f427c 100644
--- a/include/core/SkTRegistry.h
+++ b/include/core/SkTRegistry.h
@@ -45,6 +45,7 @@
     static SkTRegistry* gHead;
 };
 
+// The caller still needs to declare an instance of this somewhere
 template <typename T, typename P> SkTRegistry<T, P>* SkTRegistry<T, P>::gHead;
 
 #endif