add bench for sorting



git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@7330 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench.gypi b/bench.gypi
index 6d27618..27e307c 100644
--- a/bench.gypi
+++ b/bench.gypi
@@ -40,6 +40,7 @@
     '../bench/RTreeBench.cpp',
     '../bench/ScalarBench.cpp',
     '../bench/ShaderMaskBench.cpp',
+    '../bench/SortBench.cpp',
     '../bench/TableBench.cpp',
     '../bench/TextBench.cpp',
     '../bench/TileBench.cpp',