fixed sfLuceneAboutTask using unknown function 'power' (closes #2688)
fixed sfLuceneAboutTask using unknown function 'power' (closes #2688)


git-svn-id: 5d6b6036baf4730b38412b97b324c1153d0acf91@6580 ee427ae8-e902-0410-961c-c3ed070cd9f9

rande/sfSolrPlugin,rande/sfSolrPlugin