x86: fix build error with post-merge of tip/cpus4096 and rr-for-ingo/master.

Ingo Molnar wrote:

> allyes64 build failure:
>
> arch/x86/kernel/io_apic.c: In function ‘set_ir_ioapic_affinity_irq_desc’:
> arch/x86/kernel/io_apic.c:2295: error: incompatible type for argument 2 of
> ‘migrate_ioapic_irq_desc’
> arch/x86/kernel/io_apic.c: In function ‘ir_set_msi_irq_affinity’:
> arch/x86/kernel/io_apic.c:3205: error: incompatible type for argument 2 of
> ‘set_extra_move_desc’
> make[1]: *** wait: No child processes.  Stop.

Here's a small patch to correct the build error with the post-merge tree.
Built and boot-tested.  I'll will reset the follow on patches in my brand
new git tree to accommodate this change.

Fix two references in io_apic.c that were incorrect.
Signed-off-by: NMike Travis <travis@sgi.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/kernel/io_apic.c

@@ -2292,7 +2292,7 @@ static void set_ir_ioapic_affinity_irq_desc(struct irq_desc *desc,
 		return;
 	}
 
-	migrate_ioapic_irq_desc(desc, mask);
+	migrate_ioapic_irq_desc(desc, *mask);
 }
 static void set_ir_ioapic_affinity_irq(unsigned int irq,
 				       const struct cpumask *mask)
@@ -3203,7 +3203,7 @@ static void ir_set_msi_irq_affinity(unsigned int irq,
 	if (assign_irq_vector(irq, cfg, *mask))
 		return;
 
-	set_extra_move_desc(desc, mask);
+	set_extra_move_desc(desc, *mask);
 
 	cpumask_and(&tmp, &cfg->domain, mask);
 	dest = cpu_mask_to_apicid(tmp);