Making sure code compiles with STL library that comes with OSX 10.9
diff --git a/src/sync-state.cc b/src/sync-state.cc
index d9fe538..71d664e 100644
--- a/src/sync-state.cc
+++ b/src/sync-state.cc
@@ -30,10 +30,10 @@
#include <boost/throw_exception.hpp>
#include <boost/lexical_cast.hpp>
-using namespace std;
+// using namespace std;
using namespace boost;
-typedef error_info<struct tag_errmsg, string> info_str;
+typedef error_info<struct tag_errmsg, std::string> info_str;
using namespace Sync::Error;