fix url encoding in redir

When redirecting to a page, ie, after editing, ensure that the url is
uri-encoded. Most browsers other than MSIE don't care, but it's the right
thing to do.

The known failure case involved editing a page that had utf-8 in the name
using MSIE.

1 files changed, 2 insertions, 1 deletions

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index 52cafade0..9277223f0 100644
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -40,7 +40,8 @@ sub showform ($$$$;@) {
 
 sub redirect ($$) {
 	my $q=shift;
-	my $url=shift;
+	eval q{use URI};
+	my $url=URI->new(shift);
 	if (! $config{w3mmode}) {
 		print $q->redirect($url);
 	}