drivers/edac: remove null from statics

Patches to conform to coding style, namely static don't need to be initialized
to NULL nor '0', as that is the default

Signed-off-by: Douglas Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c
index 9fdd76e1..c4c1e76 100644
--- a/drivers/edac/i82860_edac.c
+++ b/drivers/edac/i82860_edac.c
@@ -57,7 +57,7 @@
 		.ctl_name = "i82860"},
 };
 
-static struct pci_dev *mci_pdev = NULL;	/* init dev: in case that AGP code
+static struct pci_dev *mci_pdev;	/* init dev: in case that AGP code
 					 * has already registered driver
 					 */
 static struct edac_pci_ctl_info *i82860_pci;