[SPARC]: Add reboot_command[] extern decl to asm/system.h

Kill off some sparse warnings.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 2 deletions

diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index 2aafce7dfc0e..e116e38b160e 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -114,8 +114,6 @@ void cpu_idle(void)
         }
 }
 
-extern char reboot_command [];
-
 void machine_halt(void)
 {
         sstate_halt();