traverse_trees(): handle D/F conflict case sanely

diff --git a/builtin-update-index.c b/builtin-update-index.c
index 92beaaf4b3ca5520a9af27bde7f15dda46d80197..a6b7f2d6361fc1e8ea9713082affc72362f08d76 100644 (file)
--- a/builtin-update-index.c
+++ b/builtin-update-index.c
@@ -27,6 +27,7 @@ static int mark_valid_only;
 #define MARK_VALID 1
 #define UNMARK_VALID 2
 
+__attribute__((format (printf, 1, 2)))
 static void report(const char *fmt, ...)
 {
        va_list vp;