use local scratch var in breadcrumbs

- fix undisplayed breadcrumbs in section pages
 having pagination

layouts/partials/breadcrumbs.html

@@ -4,10 +4,11 @@
     {{- $lang_url := replace $url ( printf "%s" .Lang) "" }}
 
     <a href="{{ "" | absLangURL }}">{{ i18n "home" | default "Home"}}</a>
+    {{- $scratch := newScratch }}
     {{- range $index, $element := split $lang_url "/" }}
 
-    {{- $.Scratch.Add "path" (printf "%s/" $element )}}
-    {{- $bc_pg := $.Site.GetPage ($.Scratch.Get "path") -}}
+    {{- $scratch.Add "path" (printf "%s/" $element )}}
+    {{- $bc_pg := $.Site.GetPage ($scratch.Get "path") -}}
 
     {{- if (and ($bc_pg) (gt (len . ) 0))}}
     {{- print "&nbsp;»&nbsp;" | safeHTML -}}<a href="{{ $bc_pg.Permalink }}">{{ $bc_pg.Name }}</a>