up the inner-loop for clz bench, to get more stable results



git-svn-id: http://skia.googlecode.com/svn/trunk@8895 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/MathBench.cpp b/bench/MathBench.cpp
index 26af374..24e7ca9 100644
--- a/bench/MathBench.cpp
+++ b/bench/MathBench.cpp
@@ -374,7 +374,7 @@
 class CLZBench : public SkBenchmark {
     enum {
         ARRAY = SkBENCHLOOP(1000),
-        LOOP = SkBENCHLOOP(1000),
+        LOOP = SkBENCHLOOP(5000),
     };
     uint32_t fData[ARRAY];
     bool fUsePortable;