read-cache: fix index corruption with index v4

diff --git a/userdiff.c b/userdiff.c
index 8b732e40bce4968257c2918219f7dfdb0b9ed3a0..2c1502f719a17abaef6c5c56439c560994b45d37 100644 (file)
--- a/userdiff.c
+++ b/userdiff.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "config.h"
 #include "userdiff.h"
 #include "attr.h"