networkctl: use safe_qsort in case no links are present
Unlikely to happen but still...
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@ -141,7 +141,7 @@ static int decode_and_sort_links(sd_rtnl_message *m, LinkInfo **ret) {
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c++;
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}
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qsort(links, c, sizeof(LinkInfo), link_info_compare);
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qsort_safe(links, c, sizeof(LinkInfo), link_info_compare);
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*ret = links;
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links = NULL;
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