shortlog: do not require to run from inside a git repository

diff --git a/commit.c b/commit.c
index 6684c4e73113f50f046c6541af8f2142751dea5b..94d5b3d2618d335585084170ef6a3a8e67f34c62 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -193,7 +193,7 @@ static void prepare_commit_graft(void)
        commit_graft_prepared = 1;
 }
 
-static struct commit_graft *lookup_commit_graft(const unsigned char *sha1)
+struct commit_graft *lookup_commit_graft(const unsigned char *sha1)
 {
        int pos;
        prepare_commit_graft();