File volume_id-include-config.h.patch of Package udev

diff --git a/extras/volume_id/lib/util.c b/extras/volume_id/lib/util.c
index 0fb8937..4d118a4 100644
--- a/extras/volume_id/lib/util.c
+++ b/extras/volume_id/lib/util.c
@@ -21,6 +21,8 @@
 #define _GNU_SOURCE 1
 #endif
 
+#include <config.h>
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>