revision.c: fix "dense" under --remove-empty

diff --git a/cache-tree.h b/cache-tree.h
index 72c64801f5e16d1e5d03dab505a388138dfcd8ab..119407e3a10562166fc61e009613842b213dfcfc 100644 (file)
--- a/cache-tree.h
+++ b/cache-tree.h
@@ -28,4 +28,6 @@ struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);
 int cache_tree_fully_valid(struct cache_tree *);
 int cache_tree_update(struct cache_tree *, struct cache_entry **, int, int, int);
 
+struct cache_tree *cache_tree_find(struct cache_tree *, const char *);
+
 #endif