USB: drivers/usb/storage/dpcm.c whitespace cleanup

Following trivial patch converts smarttabs/whitespaces into real tabs.
Signed-off-by: S.Caglar Onur <caglar@pardus.org.tr>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/storage/dpcm.c

@@ -48,12 +48,12 @@ int dpcm_transport(struct scsi_cmnd *srb, struct us_data *us)
 {
 	int ret;
 
-  if(srb == NULL)
+	if (srb == NULL)
 		return USB_STOR_TRANSPORT_ERROR;
 
 	US_DEBUGP("dpcm_transport: LUN=%d\n", srb->device->lun);
 
-  switch(srb->device->lun) {
+	switch (srb->device->lun) {
 		case 0:
 
 			/*