re-order the 'lf em' commands

client/src/cmdlfem.h

@@ -0,0 +1,17 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) 2020 iceman <iceman at icesql.net>
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency EM commands
+//-----------------------------------------------------------------------------
+
+#ifndef CMDLFEM4X_H__
+#define CMDLFEM4X_H__
+
+#include "common.h"
+
+int CmdLFEM(const char *Cmd);
+
+#endif