Fix uninitialized variable clang-SVN HEAD kindly provided my the info, that sm_repo maybe uninitialized when we want to free it (If the expression in line 358 or 359/360 evaluate to true, we jump to "cleanup", where we'd use sm_repo uninitialized).
diff --git a/src/submodule.c b/src/submodule.c
index b6e5c96..15158f0 100644
--- a/src/submodule.c
+++ b/src/submodule.c
@@ -341,7 +341,7 @@ int git_submodule_add_finalize(git_submodule *sm)
int git_submodule_add_to_index(git_submodule *sm, int write_index)
{
int error;
- git_repository *repo, *sm_repo;
+ git_repository *repo, *sm_repo = NULL;
git_index *index;
git_buf path = GIT_BUF_INIT;
git_commit *head;