Guard header file pci.h

Compilation on Ubuntu fails without this.

Signed-off-by: Nguyen Anh Quynh <aquynh@gmail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/pci.h b/src/pci.h
index 6afc9a99..48d47699 100644
--- a/src/pci.h
+++ b/src/pci.h
@@ -1,3 +1,6 @@
+#ifndef __PCI_H
+#define __PCI_H
+
 #include "types.h" // u32
 
 typedef struct PCIDevice {
@@ -11,3 +14,5 @@ void pci_config_writeb(PCIDevice *d, u32 addr, u8 val);
 u32 pci_config_readl(PCIDevice *d, u32 addr);
 u16 pci_config_readw(PCIDevice *d, u32 addr);
 u8 pci_config_readb(PCIDevice *d, u32 addr);
+
+#endif