Move ListConnInfo to WinVNC directory

It is functionality specific to WinVNC, so move the code there
to make things more clear.
diff --git a/win/winvnc/STrayIcon.cxx b/win/winvnc/STrayIcon.cxx
index 05a38d6..fa483ee 100644
--- a/win/winvnc/STrayIcon.cxx
+++ b/win/winvnc/STrayIcon.cxx
@@ -184,7 +184,7 @@
         case 2:
           return thread.server.disconnectClients("IPC disconnect") ? 1 : 0;
         case 3:
-          thread.server.setClientsStatus((rfb::ListConnInfo *)command->lpData);
+          thread.server.setClientsStatus((ListConnInfo *)command->lpData);
         case 4:
           thread.server.getClientsInfo(&LCInfo);
           CPanel->UpdateListView(&LCInfo);
@@ -230,7 +230,7 @@
   LaunchProcess vncConnect;
   STrayIconThread& thread;
   ControlPanel * CPanel;
-  rfb::ListConnInfo LCInfo;
+  ListConnInfo LCInfo;
 };