fix the mem leak bug of xmldoc1/TitleRecu1
fix the mem leak bug of xmldoc1/TitleRecu1

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