travis-ci: build with the right compiler

diff --git a/commit-reach.h b/commit-reach.h
index defcef4076f2b9427a2572087e5909cba99874b7..fb8082a2ece94a94cf2f9a55ba95950caa41a914 100644 (file)
--- a/commit-reach.h
+++ b/commit-reach.h
@@ -1,12 +1,13 @@
 #ifndef COMMIT_REACH_H
 #define COMMIT_REACH_H
 
+#include "commit.h"
 #include "commit-slab.h"
 
-struct commit;
 struct commit_list;
-struct contains_cache;
 struct ref_filter;
+struct object_id;
+struct object_array;
 
 struct commit_list *get_merge_bases_many(struct commit *one,
                                         int n,