parport: cleanup statics initialization to NULL or 0

based on checkpatch, cleanup the "do not initialise statics to" 0 or NULL.
Signed-off-by: Carlos Palminha <palminha@synopsys.com>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/parport/daisy.c

@@ -44,7 +44,7 @@ static struct daisydev {
 } *topology = NULL;
 static DEFINE_SPINLOCK(topology_lock);
 
-static int numdevs = 0;
+static int numdevs;
 
 /* Forward-declaration of lower-level functions. */
 static int mux_present(struct parport *port);

drivers/parport/parport_atari.c

@@ -18,7 +18,7 @@
 #include <asm/irq.h>
 #include <asm/atariints.h>
 
-static struct parport *this_port = NULL;
+static struct parport *this_port;
 
 static unsigned char
 parport_atari_read_data(struct parport *p)

drivers/parport/parport_ip32.c

@@ -138,7 +138,7 @@ static unsigned int features =	~0U;
 static bool verbose_probing =	DEFAULT_VERBOSE_PROBING;
 
 /* We do not support more than one port. */
-static struct parport *this_port = NULL;
+static struct parport *this_port;
 
 /* Timing constants for FIFO modes.  */
 #define FIFO_NFAULT_TIMEOUT	100	/* milliseconds */

drivers/parport/parport_mfc3.c

@@ -174,7 +174,7 @@ DPRINTK(KERN_DEBUG "read_status %02x\n", status);
 	return status;
 }
 
-static int use_cnt = 0;
+static int use_cnt;
 
 static irqreturn_t mfc3_interrupt(int irq, void *dev_id)
 {