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/r82600_edac.c b/drivers/edac/r82600_edac.c
index 0a971eb..eb6090e 100644
--- a/drivers/edac/r82600_edac.c
+++ b/drivers/edac/r82600_edac.c
@@ -131,7 +131,7 @@
 	u32 eapr;
 };
 
-static unsigned int disable_hardware_scrub = 0;
+static unsigned int disable_hardware_scrub;
 
 static struct edac_pci_ctl_info *r82600_pci;