[IA64] msi_ia64.c dmar_msi_type should be static

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>

arch/ia64/kernel/msi_ia64.c

@@ -158,7 +158,7 @@ static int dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
 }
 #endif /* CONFIG_SMP */
 
-struct irq_chip dmar_msi_type = {
+static struct irq_chip dmar_msi_type = {
 	.name = "DMAR_MSI",
 	.unmask = dmar_msi_unmask,
 	.mask = dmar_msi_mask,