Staging: comedi: ni_labpc_cs: removed null initialization of static

Signed-off-by: NBart Massey <bart@cs.pdx.edu>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/comedi/drivers/ni_labpc_cs.c

@@ -76,7 +76,7 @@ NI manuals:
 #include <pcmcia/cisreg.h>
 #include <pcmcia/ds.h>
 
-static struct pcmcia_device *pcmcia_cur_dev = NULL;
+static struct pcmcia_device *pcmcia_cur_dev;
 
 static int labpc_attach(struct comedi_device *dev, struct comedi_devconfig *it);