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/edac_pci.c b/drivers/edac/edac_pci.c
index f4f718c..fd0b122 100644
--- a/drivers/edac/edac_pci.c
+++ b/drivers/edac/edac_pci.c
@@ -385,7 +385,7 @@
 	edac_pci_do_parity_check();
 }
 
-static int edac_pci_idx = 0;
+static int edac_pci_idx;
 #define EDAC_PCI_GENCTL_NAME	"EDAC PCI controller"
 
 struct edac_pci_gen_data {