lib: unify header guards
Standardize header guards to _LIB_HEADER_H_.
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210609143712.60933-3-cohuck@redhat.com>
diff --git a/lib/pci-host-generic.h b/lib/pci-host-generic.h
index 0ffe638..3020ee2 100644
--- a/lib/pci-host-generic.h
+++ b/lib/pci-host-generic.h
@@ -1,5 +1,5 @@
-#ifndef PCI_HOST_GENERIC_H
-#define PCI_HOST_GENERIC_H
+#ifndef _PCI_HOST_GENERIC_H_
+#define _PCI_HOST_GENERIC_H_
/*
* PCI host bridge supporting structures and constants
*
