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-rw-r--r--hw/pci/pci_ids.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/pci/pci_ids.h b/hw/pci/pci_ids.h
index 5df7245349..271d935bc7 100644
--- a/hw/pci/pci_ids.h
+++ b/hw/pci/pci_ids.h
@@ -7,6 +7,8 @@
  *
  *      QEMU-specific definitions belong in pci.h
  */
+#ifndef HW_PCI_IDS_H
+#define HW_PCI_IDS_H 1
 
 /* Device classes and subclasses */
 
@@ -145,3 +147,5 @@
 
 #define PCI_VENDOR_ID_NEC                0x1033
 #define PCI_DEVICE_ID_NEC_UPD720200      0x0194
+
+#endif