dgnc: fix multiple blank lines coding style problem

According to the coding-style documentation, functions in source files
should be separated with one blank line. Redundant blank lines were
removed from this source file, in accordance with coding-style
documentation.

Signed-off-by: Aliza Minkov <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/dgnc/dgnc_driver.c

···
 	return 0;
 }
 
-
 /* A board has been found, initialize  it. */
 static struct dgnc_board *dgnc_found_board(struct pci_dev *pdev, int id)
 {
···
 	if (brd->irq)
 		free_irq(brd->irq, brd);
 }
-
 
  /*
   * As each timer expires, it determines (a) whether the "transmit"