submodule foreach: fix "<command> --quiet" not being respected

diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c
index 42bc1eb41db8287ab9f64445ec2a151f216d8840..a90681bcbafcba04af3b669f0758c78ccecdd11f 100644 (file)
--- a/builtin/diff-tree.c
+++ b/builtin/diff-tree.c
@@ -1,3 +1,4 @@
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
 #include "cache.h"
 #include "config.h"
 #include "diff.h"