subtree: make --ignore-joins pay attention to adds

diff --git a/trailer.h b/trailer.h
index f47b16e2c45970d84d58659113e1c55b8a3db020..b997739649a37e8791e8448c2e7daefe8023bb71 100644 (file)
--- a/trailer.h
+++ b/trailer.h
@@ -3,6 +3,8 @@
 
 #include "list.h"
 
+struct strbuf;
+
 enum trailer_where {
        WHERE_DEFAULT,
        WHERE_END,