fix some issues, this will be squashed once I work out

what's happening with Win32

Author: tonycoz

t/io/perlio.t

@@ -246,18 +246,21 @@ EOP
     ok !$main::PerlIO_code_injection, "Can't inject code via PerlIO->import";
 }
 
+SKIP:
 {
-    use IO::Select;
+    skip_without_dynamic_extension("IO", 8);
 
     $Config{d_pipe}
        or skip("No pipe", 8);
 
+    require IO::Select;
+
     my ($in, $out);
     pipe($in, $out)
       or skip("Cannot pipe: $!", 8);
 
     $in->blocking(0)
-      or skip_all("Cannot make pipe non-blocking");
+      or skip("Cannot make pipe non-blocking", 8);
 
     my $line = <$in>;
     is($line, undef, "error reading (readline)");