Use /var/lib/misc/oui.txt as default OUI file
diff --git a/tools/oui.c b/tools/oui.c
index 13d6c2f..b68ae04 100644
--- a/tools/oui.c
+++ b/tools/oui.c
@@ -38,7 +38,7 @@
 
 /* http://standards.ieee.org/regauth/oui/oui.txt */
 
-#define OUIFILE "/usr/share/misc/oui.txt"
+#define OUIFILE "/var/lib/misc/oui.txt"
 
 char *ouitocomp(const char *oui)
 {
@@ -49,8 +49,11 @@
 	fd = open("oui.txt", O_RDONLY);
 	if (fd < 0) {
 		fd = open(OUIFILE, O_RDONLY);
-		if (fd < 0)
-			return NULL;
+		if (fd < 0) {
+			fd = open("/usr/share/misc/oui.txt", O_RDONLY);
+			if (fd < 0)
+				return NULL;
+		}
 	}
 
 	if (fstat(fd, &st) < 0) {