x86: don't set IO APIC features if IO APIC is not enabled

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h
index 14217a9..0a6634f 100644
--- a/include/asm-x86/mach-default/mach_apic.h
+++ b/include/asm-x86/mach-default/mach_apic.h
@@ -69,8 +69,10 @@
 
 static inline void setup_apic_routing(void)
 {
+#ifdef CONFIG_X86_IO_APIC
 	printk("Enabling APIC mode:  %s.  Using %d I/O APICs\n",
 					"Flat", nr_ioapics);
+#endif
 }
 
 static inline int apicid_to_node(int logical_apicid)