powerpc/pseries/xcis: ansify

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index ca52b58..a977f20 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -763,7 +763,7 @@
 }
 #endif /* CONFIG_SMP */
 
-void xics_teardown_cpu()
+void xics_teardown_cpu(void)
 {
 	int cpu = smp_processor_id();