flagday: don't pass regs to copy_thread()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index 03d7aa4..fd78f58 100644
--- a/arch/avr32/kernel/process.c
+++ b/arch/avr32/kernel/process.c
@@ -299,7 +299,7 @@
 
 int copy_thread(unsigned long clone_flags, unsigned long usp,
 		unsigned long arg,
-		struct task_struct *p, struct pt_regs *unused)
+		struct task_struct *p)
 {
 	struct pt_regs *childregs = task_pt_regs(p);