Remove qCopy from QCoreApplication

QtAlgorithms is getting deprecated,
see http://www.mail-archive.com/development@qt-project.org/msg01603.html

Change-Id: I3ae7f8331440241d524844eb387d956c64ab62e9
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>

src/corelib/kernel/qcoreapplication.cpp

@@ -103,6 +103,8 @@
 #  include <taskLib.h>
 #endif
 
+#include <algorithm>
+
 QT_BEGIN_NAMESPACE
 
 #ifndef QT_NO_QOBJECT
@@ -397,7 +399,7 @@ QCoreApplicationPrivate::QCoreApplicationPrivate(int &aargc, char **aargv, uint
         argv = (char **)&empty;
     }
 #ifdef Q_OS_WIN
-    qCopy(argv, argv + argc, origArgv);
+    std::copy(argv, argv + argc, origArgv);
 #endif
 
 #ifndef QT_NO_QOBJECT