Only print out APIC info on an SMP system during a panic if APIC_IO is

defined.

sys/kern/kern_shutdown.c

@@ -558,8 +558,10 @@ panic(const char *fmt, ...)
 #ifdef SMP
 	/* two seperate prints in case of an unmapped page and trap */
 	printf("cpuid = %d; ", cpuid);
+#ifdef APIC_IO
 	printf("lapic.id = %08x\n", lapic.id);
 #endif
+#endif
 
 #if defined(DDB)
 	if (debugger_on_panic)