Patch for r7304. Add string in bench_pictures_main's gFilterTypes for oval filter type.


git-svn-id: http://skia.googlecode.com/svn/trunk@7307 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tools/bench_pictures_main.cpp b/tools/bench_pictures_main.cpp
index 582cf43..b485aff 100644
--- a/tools/bench_pictures_main.cpp
+++ b/tools/bench_pictures_main.cpp
@@ -27,6 +27,7 @@
     "line",
     "bitmap",
     "rect",
+    "oval",
     "path",
     "text",
     "all",