Add missing includes and forward declarations

diff --git a/alloc.h b/alloc.h
index 3e4e828db48e2be2dff993d01175d7bf8c41c8f0..7a41bb9eb338c78fee221220b94f91387ac04503 100644 (file)
--- a/alloc.h
+++ b/alloc.h
@@ -1,9 +1,11 @@
 #ifndef ALLOC_H
 #define ALLOC_H
 
+struct alloc_state;
 struct tree;
 struct commit;
 struct tag;
+struct repository;
 
 void *alloc_blob_node(struct repository *r);
 void *alloc_tree_node(struct repository *r);