hugolib: Fix tag calculation in benchmark test
hugolib: Fix tag calculation in benchmark test

fedelibre/hugo,anthonyfok/hugo,gohugoio/hugo,gohugoio/hugo,gohugoio/hugo,mdhender/hugo,anthonyfok/hugo,digitalcraftsman/hugo,fedelibre/hugo,fedelibre/hugo,anthonyfok/hugo,mdhender/hugo,mdhender/hugo,mdhender/hugo,digitalcraftsman/hugo,fedelibre/hugo,mitchchn/hugo,mitchchn/hugo