MIPS: Remove useless zero initializations.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/cpu-bugs64.c b/arch/mips/kernel/cpu-bugs64.c
index 02b7713..408d0a0 100644
--- a/arch/mips/kernel/cpu-bugs64.c
+++ b/arch/mips/kernel/cpu-bugs64.c
@@ -167,7 +167,7 @@
 	panic(bug64hit, !R4000_WAR ? r4kwar : nowar);
 }
 
-static volatile int daddi_ov __cpuinitdata = 0;
+static volatile int daddi_ov __cpuinitdata;
 
 asmlinkage void __init do_daddi_ov(struct pt_regs *regs)
 {