[PATCH] Make boot_param_data pure BSS

Since it's all zero.

Actually I think gcc 4+ will do that automatically, but earlier compilers won't
Signed-off-by: Andi Kleen <ak@suse.de>

arch/x86_64/kernel/setup64.c

@@ -24,7 +24,7 @@
 #include <asm/proto.h>
 #include <asm/sections.h>
 
-char x86_boot_params[BOOT_PARAM_SIZE] __initdata = {0,};
+char x86_boot_params[BOOT_PARAM_SIZE] __initdata;
 
 cpumask_t cpu_initialized __cpuinitdata = CPU_MASK_NONE;