[fastcgi] Adjust code for Apache 2.4
[fastcgi] Adjust code for Apache 2.4

Since Apache 2.4 FastCGI is built-in module, but has different
parameter name for URL - SCRIPT_FILENAME. Old parameter PATH_INFO
is used by other FastCGI implementations
root-mirror/root,root-mirror/root,olifre/root,root-mirror/root,karies/root,karies/root,olifre/root,karies/root,root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,root-mirror/root,olifre/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,karies/root,karies/root,karies/root,olifre/root,karies/root,olifre/root,karies/root,olifre/root,karies/root,olifre/root