Fix unnecessary allocations via StaticFileReader (#7572)
Fix unnecessary allocations via StaticFileReader (#7572)

Merge pull request 7572
Strangehill/jekyll,ryanshaw/jekyll,fulldecent/jekyll,tillgrallert/jekyll,ryanshaw/jekyll,tillgrallert/jekyll,chrisfinazzo/jekyll,chrisfinazzo/jekyll,tillgrallert/jekyll,Strangehill/jekyll,x-way/jekyll,Strangehill/jekyll,jekyll/jekyll,ryanshaw/jekyll,tillgrallert/jekyll,Strangehill/jekyll,jekyll/jekyll,jaybe-jekyll/jekyll,yhironaka/yhironaka.github.io,Strangehill/jekyll,fulldecent/jekyll,jaybe-jekyll/jekyll,jekyll/jekyll,chrisfinazzo/jekyll,fulldecent/jekyll,tillgrallert/jekyll,jaybe-jekyll/jekyll,x-way/jekyll,jekyll/jekyll,x-way/jekyll,jaybe-jekyll/jekyll,ryanshaw/jekyll,x-way/jekyll,fulldecent/jekyll,chrisfinazzo/jekyll