Adding benchmark namespace and removing broken flags
diff --git a/src/stat.h b/src/stat.h
index b121d47..c36cf05 100644
--- a/src/stat.h
+++ b/src/stat.h
@@ -5,6 +5,7 @@
 #include <iostream>
 #include <limits>
 
+namespace benchmark {
 template <typename VType, typename NumType>
 class Stat1;
 
@@ -302,5 +303,6 @@
       << " max = " << s.Max() << "}";
   return out;
 }
+}  // end namespace benchmark
 
 #endif  // BENCHMARK_STAT_H_