fix another core in crawlbot
fix another core in crawlbot

gigablast/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine