OvmfPkg: add inclusion guards in Include/IndustryStandard/Virtio.h

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13837 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/OvmfPkg/Include/IndustryStandard/Virtio.h b/OvmfPkg/Include/IndustryStandard/Virtio.h
index 5e2e8f4c6f06011c21cf5026c222ec3d475aeba5..ff4b71c84c599acc2f715854e184baa30a0109fa 100644 (file)
--- a/OvmfPkg/Include/IndustryStandard/Virtio.h
+++ b/OvmfPkg/Include/IndustryStandard/Virtio.h
@@ -14,6 +14,9 @@
 \r
 **/\r
 \r
+#ifndef _VIRTIO_H_\r
+#define _VIRTIO_H_\r
+\r
 #include <Base.h>\r
 \r
 \r
@@ -174,3 +177,5 @@ typedef struct {
 #define VIRTIO_BLK_S_OK           0x00\r
 #define VIRTIO_BLK_S_IOERR        0x01\r
 #define VIRTIO_BLK_S_UNSUPP       0x02\r
+\r
+#endif // _VIRTIO_H_\r