fix: Remove warning

layouts/_default/_markup/render-link.html

@@ -7,7 +7,7 @@
 {{ $isMailtoLink := strings.HasPrefix .Destination "mailto:" }}
 {{ $hasSlash := in .Destination "/" }}
 {{- if $isWebLink -}}
-  {{ $link := cond (and $isWebLink (and (not $hasSlash) (not $isExternalLink))) (path.Join "/" .Page.Dir .Destination) .Destination }}
+  {{ $link := cond (and $isWebLink (and (not $hasSlash) (not $isExternalLink))) (path.Join "/" .Page.File.Dir .Destination) .Destination }}
   <a href="{{ $link | safeURL }}"{{ with .Title}} title="{{ . }}"{{ end }}{{ if $isExternalLink }} target="_blank" rel="noopener"{{ end }}>{{ .Text | safeHTML }}</a>
 {{- else -}}
   {{- $separators := cond $isMailtoLink ":@." ":" -}}
@@ -33,4 +33,3 @@
   >
   </span>
 {{- end -}}
-