Don't include all of the standard namespace. (libmythupnp)

Including all of the standard namespace is considered bad practice. It
defeats the purpose of namespaces, and pollutes the global name table.

mythtv/libs/libmythupnp/bufferedsocketdevice.h

@@ -15,7 +15,6 @@
 
 // C++ headers
 #include <deque>
-using namespace std;
 
 // Qt headers
 #include <QString>
@@ -51,7 +50,7 @@ class BufferedSocketDevice
         quint16                 m_nDestPort           {0};
 
         MMembuf                 m_bufRead;
-        deque<QByteArray*>      m_bufWrite;
+        std::deque<QByteArray*> m_bufWrite;
 
         int     ReadBytes      ( );
         bool    ConsumeWriteBuf( qulonglong nbytes );

mythtv/libs/libmythupnp/httprequest.cpp

@@ -59,8 +59,6 @@
 #define O_LARGEFILE 0
 #endif
 
-using namespace std;
-
 static std::array<const MIMETypes,63> g_MIMETypes
 {{
     // Image Mime Types
@@ -403,7 +401,7 @@ qint64 HTTPRequest::SendResponse( void )
     // ----------------------------------------------------------------------
     // DEBUGGING
     if (getenv("HTTPREQUEST_DEBUG"))
-        cout << m_response.buffer().constData() << endl;
+        std::cout << m_response.buffer().constData() << std::endl;
     // ----------------------------------------------------------------------
 
     LOG(VB_HTTP, LOG_DEBUG, QString("Reponse Content Length: %1").arg(nContentLen));

mythtv/libs/libmythupnp/httpserver.cpp

@@ -43,9 +43,6 @@
 
 #include "serviceHosts/rttiServiceHost.h"
 
-using namespace std;
-
-
 /**
  * \brief Handle an OPTIONS request
  */
@@ -119,7 +116,7 @@ HttpServer::HttpServer() :
     m_privateToken(QUuid::createUuid().toString()) // Cryptographically random and sufficiently long enough to act as a secure token
 {
     // Number of connections processed concurrently
-    int maxHttpWorkers = max(QThread::idealThreadCount() * 2, 2); // idealThreadCount can return -1
+    int maxHttpWorkers = std::max(QThread::idealThreadCount() * 2, 2); // idealThreadCount can return -1
     // Don't allow more connections than we can process, it causes browsers
     // to open lots of new connections instead of reusing existing ones
     setMaxPendingConnections(maxHttpWorkers);

mythtv/libs/libmythupnp/ssdp.cpp

@@ -33,8 +33,6 @@
 #include <sys/select.h>
 #endif
 
-using namespace std;
-
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////
 //
@@ -267,7 +265,7 @@ void SSDP::run()
             if (socket != nullptr && socket->socket() >= 0)
             {
                 FD_SET( socket->socket(), &read_set );
-                nMaxSocket = max( socket->socket(), nMaxSocket );
+                nMaxSocket = std::max( socket->socket(), nMaxSocket );
 
 #if 0
                 if (socket->bytesAvailable() > 0)

mythtv/libs/libmythupnp/upnpcds.cpp

@@ -13,7 +13,6 @@
 #include <algorithm>
 #include <cmath>
 #include <cstdint>
-using namespace std;
 
 #include "upnp.h"
 #include "upnpcds.h"