[PATCH] expand_word_internal: fix leak with W_NOSPLIT2

[Grisha Levit]

Free temporary list allocated when exapnding `$@' in

    bash -c 'IFS=:; : ${_+$@}' _ X
---
 subst.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/subst.c b/subst.c
index 3faa4068..c56d2434 100644
--- a/subst.c
+++ b/subst.c
@@ -12144,6 +12144,7 @@ finished_with_string:
                 return, we expect to be able to split the results, but the
                 space separation means the right split doesn't happen. */
              tword->word = string_list (list); 
+             dispose_words (list);
            }
          else
            tword->word = istring;
-- 
2.45.1