commit-graph: add missing forward declaration

Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Jonathan Tan committed Jul 11, 2018 at 15:42 UTC e5c5ca27292d302b7ccf7e44c43d8b9474513867
1 file changed +2
commit-graph.h
+2
@@ -5,6 +5,8 @@
5 #include "repository.h"
6 #include "string-list.h"
7
8 +struct commit;
9 +
10 char *get_commit_graph_filename(const char *obj_dir);
11
12 /*