[SPARC64]: Fix sparse warnings in arch/sparc64/kernel/signal.c

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/entry.h b/arch/sparc64/kernel/entry.h
index 129a2f1..4a91e9c 100644
--- a/arch/sparc64/kernel/entry.h
+++ b/arch/sparc64/kernel/entry.h
@@ -18,6 +18,11 @@
 extern asmlinkage void sparc_breakpoint(struct pt_regs *regs);
 extern void timer_interrupt(int irq, struct pt_regs *regs);
 
+extern void do_notify_resume(struct pt_regs *regs,
+			     unsigned long orig_i0,
+			     int restart_syscall,
+			     unsigned long thread_info_flags);
+
 extern asmlinkage void syscall_trace(struct pt_regs *regs,
 				     int syscall_exit_p);