notes-utils: free note trees when releasing copied notes

While we clear most of the members of `struct notes_rewrite_cfg` in
`finish_copy_notes_for_rewrite()`, we do not clear the notes tree. Fix
this to plug this memory leak.

Signed-off-by: Patrick Steinhardt <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: pks-t

notes-utils.c

@@ -187,6 +187,7 @@ void finish_copy_notes_for_rewrite(struct repository *r,
 	for (i = 0; c->trees[i]; i++) {
 		commit_notes(r, c->trees[i], msg);
 		free_notes(c->trees[i]);
+		free(c->trees[i]);
 	}
 	free(c->trees);
 	free(c);

t/t3400-rebase.sh

@@ -11,6 +11,7 @@ among other things.
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 GIT_AUTHOR_NAME=author@name

t/t7501-commit-basic-functionality.sh

@@ -9,6 +9,7 @@ test_description='git commit'
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY/lib-diff.sh"