Remove "using namespace std;".

src/network/compressor.cc

@@ -36,7 +36,6 @@
 #include "dos_assert.h"
 
 using namespace Network;
-using namespace std;
 
 string Compressor::compress_str( const string &input )
 {

src/network/network.cc

@@ -60,7 +60,6 @@
 #define AI_NUMERICSERV 0
 #endif
 
-using namespace std;
 using namespace Network;
 using namespace Crypto;
 

src/network/networktransport-impl.h

@@ -38,7 +38,6 @@
 #include "transportsender-impl.h"
 
 using namespace Network;
-using namespace std;
 
 template <class MyState, class RemoteState>
 Transport<MyState, RemoteState>::Transport( MyState &initial_state, RemoteState &initial_remote,

src/network/transportsender-impl.h

@@ -45,7 +45,6 @@
 #include <limits.h>
 
 using namespace Network;
-using namespace std;
 
 template <class MyState>
 TransportSender<MyState>::TransportSender( Connection *s_connection, MyState &initial_state )