[http] add ROOT/MakeUnique.hxx to fastcgi
[http] add ROOT/MakeUnique.hxx to fastcgi

Need to be compiled also with c++11 (without root7)

root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,olifre/root,olifre/root,olifre/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root