[PATCH next] pci/intr_remapping.c should include acpi.h

[PATCH next] pci/intr_remapping.c should include acpi.h

[Alexander Beregalov]

Fix this build error:
drivers/pci/intr_remapping.c: In function 'ir_parse_ioapic_scope':
drivers/pci/intr_remapping.c:617: error: invalid use of undefined type
'struct acpi_dmar_hardware_unit'

Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
---

 drivers/pci/intr_remapping.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index 472be1c..f5e0ea7 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -9,6 +9,7 @@
 #include <asm/cpu.h>
 #include <linux/intel-iommu.h>
 #include "intr_remapping.h"
+#include <acpi/acpi.h>

 static struct ioapic_scope ir_ioapic[MAX_IO_APICS];
 static int ir_ioapic_num;