lib-storage: Fix assert-crash in SORT caused by earlier changes

Broken by 0a6a527f0c42b5478d80ac53ab357885676fd516

Fixes:
Panic: file index-sort-string.c: line 668 (index_sort_add_ids_range): assertion failed: (str != NULL)

diff --git a/src/lib-storage/index/index-sort-string.c b/src/lib-storage/index/index-sort-string.c
index 35da830a5763d943381d92944fdd7adda3e45310..bd07906e19846dbf597b9e695c930be8a076ea7b 100644 (file)
--- a/src/lib-storage/index/index-sort-string.c
+++ b/src/lib-storage/index/index-sort-string.c
@@ -357,6 +357,7 @@ index_sort_get_string(struct sort_string_context *ctx,
 
        if (node->no_update) {
                /* we've already determined that we can't do this lookup */
+               *str_r = ctx->sort_strings[seq];
                return FALSE;
        }