Refix for Visual Studio.

libethereum/Common.cpp

@@ -37,7 +37,6 @@
 #include "Exceptions.h"
 using namespace std;
 using namespace eth;
-using eth::byte;
 
 //#define ETH_ADDRESS_DEBUG 1
 

libethereum/Common.h

@@ -51,11 +51,13 @@
 #include <boost/thread.hpp>
 #include "vector_ref.h"
 
+// CryptoPP defines byte in the global namespace, so so must we.
+using byte = uint8_t;
+
 namespace eth
 {
 
 // Binary data types.
-using byte = uint8_t;
 using bytes = std::vector<byte>;
 using bytesRef = vector_ref<byte>;
 using bytesConstRef = vector_ref<byte const>;

libethereum/State.cpp

@@ -45,7 +45,6 @@
 #include "Defaults.h"
 using namespace std;
 using namespace eth;
-using eth::byte;
 
 u256 const c_stepFee = 1;
 u256 const c_dataFee = 20;