lib-dict: Make dict_deinit(&NULL) no-op

diff --git a/src/lib-dict/dict.c b/src/lib-dict/dict.c
index 8e067cef2be4b37202da5882c2a1eb44a150d656..c4d6541917bf42d1d979695aa3c15d3a52fabe3c 100644 (file)
--- a/src/lib-dict/dict.c
+++ b/src/lib-dict/dict.c
@@ -153,6 +153,8 @@ void dict_deinit(struct dict **_dict)
 {
        struct dict *dict = *_dict;
 
+       if (dict == NULL)
+               return;
        *_dict = NULL;
 
        i_assert(!dict_have_async_operations(dict));