V4L/DVB (5976): mt2131 s5h1409: correct frontend selection logic

If a card driver is compiled into the kernel and mt2131 or s5h1409 are
compiled as modules, the kernel won't link.

A compiled in driver can't use a module, so in this case the mt2131 or s5h1409
are effectively disabled w.r.t the compiled in driver and the stub attach
function should be used.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Acked-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/frontends/s5h1409.h b/drivers/media/dvb/frontends/s5h1409.h
index bccfd8a..20f9af1 100644
--- a/drivers/media/dvb/frontends/s5h1409.h
+++ b/drivers/media/dvb/frontends/s5h1409.h
@@ -53,7 +53,7 @@
 	u8 status_mode;
 };
 
-#if defined(CONFIG_DVB_S5H1409) || defined(CONFIG_DVB_S5H1409_MODULE)
+#if defined(CONFIG_DVB_S5H1409) || (defined(CONFIG_DVB_S5H1409_MODULE) && defined(MODULE))
 extern struct dvb_frontend* s5h1409_attach(const struct s5h1409_config* config,
 					   struct i2c_adapter* i2c);
 #else