Move generic util functions to shared directory
diff --git a/libkmod/libkmod-index.c b/libkmod/libkmod-index.c
index 1c64743..db431d2 100644
--- a/libkmod/libkmod-index.c
+++ b/libkmod/libkmod-index.c
@@ -28,6 +28,7 @@
 #include <inttypes.h>
 
 #include <shared/macro.h>
+#include <shared/util.h>
 
 #include "libkmod-internal.h"
 #include "libkmod-index.h"