transport-helper: fix leaking import/export marks

Fix leaking import and export marks for transport helpers.

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

Author: pks-t

t/t5801-remote-helpers.sh

@@ -8,6 +8,7 @@ test_description='Test remote-helper import and export commands'
 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-gpg.sh
 

transport-helper.c

@@ -399,6 +399,8 @@ static int release_helper(struct transport *transport)
 	int res = 0;
 	struct helper_data *data = transport->data;
 	refspec_clear(&data->rs);
+	free(data->import_marks);
+	free(data->export_marks);
 	res = disconnect_helper(transport);
 	free(transport->data);
 	return res;