V4L/DVB: gspca: fixes compilation when input is not selected

It seems that I merged a wrong version of the patch or that
changeset 4d770eeb926d0bc44c0bd68d051d3d2a5568ef41 got mangled somehow:

It were missed the #else to avoid compilation troubles.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/gspca/gspca.c

@@ -279,10 +279,6 @@ static void gspca_input_destroy_urb(struct gspca_dev *gspca_dev)
 		usb_free_urb(urb);
 	}
 }
-#else
-#define gspca_input_connect(gspca_dev)		0
-#define gspca_input_create_urb(gspca_dev)
-#define gspca_input_destroy_urb(gspca_dev)
 #endif
 
 /* get the current input frame buffer */