Fixing curtain mode using non-default RDP port for Windows host.

remoting/host/win/rdp_desktop_session.h

Index: remoting/host/win/rdp_desktop_session.h
diff --git a/remoting/host/win/rdp_desktop_session.h b/remoting/host/win/rdp_desktop_session.h
index 3b3f5ddbdff912c68374578c5f8100086eeb76b7..0bfd7aefabf319c89ed5b18f49ba69be199d8ead 100644
--- a/remoting/host/win/rdp_desktop_session.h
+++ b/remoting/host/win/rdp_desktop_session.h
@@ -41,10 +41,12 @@ class __declspec(uuid(RDP_DESKTOP_SESSION_CLSID)) RdpDesktopSession
   ~RdpDesktopSession() override;
 
   // IRdpDesktopSession implementation.
-  STDMETHOD(Connect)(long width,
-                     long height,
-                     BSTR terminal_id,
-                     IRdpDesktopSessionEventHandler* event_handler) override;
+  STDMETHOD(Connect)
+  (long width,
+   long height,
+   BSTR terminal_id,
+   DWORD port_number,
+   IRdpDesktopSessionEventHandler* event_handler) override;
   STDMETHOD(Disconnect)() override;
   STDMETHOD(ChangeResolution)(long width, long height) override;
   STDMETHOD(InjectSas)() override;