pcmcia: fix ni_daq_700 compilation

Reported-by: Anca Emanuel <[e-mail]>
Signed-off-by: Dominik Brodowski <[e-mail]>

drivers/staging/comedi/drivers/ni_daq_700.c

···
 
 static void dio700_config(struct pcmcia_device *link)
 {
-	win_req_t req;
 	int ret;
 
 	printk(KERN_INFO "ni_daq_700:  cs-config\n");