cgi: avoid parsing ENV directly for PATH_INFO

This might make it easier to go to non-CGI things.

diff --git a/public-inbox.cgi b/public-inbox.cgi
index fb435777c666b987f8a6bc085dae3b923852d6fc..313a4f22e66eae0923191ef9e654e296c79075e5 100755 (executable)
--- a/public-inbox.cgi
+++ b/public-inbox.cgi
@@ -50,7 +50,7 @@ sub main {
        if ($cgi->request_method !~ /\AGET|HEAD\z/) {
                return r("405 Method Not Allowed");
        }
-       my $path_info = decode_utf8($ENV{PATH_INFO});
+       my $path_info = decode_utf8($cgi->path_info);
 
        # top-level indices and feeds
        if ($path_info eq "/") {