hval: export prurl and add prototype

This allows to do some compile-time checking and fills in a
missing "use" in PublicInbox::NewsWWW, allowing it to be used
standalone and independently of PublicInbox::WWW

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/PublicInbox/WwwListing.pm b/lib/PublicInbox/WwwListing.pm
index 4f076b7d..a52dba11 100644
--- a/lib/PublicInbox/WwwListing.pm
+++ b/lib/PublicInbox/WwwListing.pm
@@ -6,7 +6,7 @@
 package PublicInbox::WwwListing;
 use strict;
 use warnings;
-use PublicInbox::Hval qw(ascii_html);
+use PublicInbox::Hval qw(ascii_html prurl);
 use PublicInbox::Linkify;
 use PublicInbox::View;
 use PublicInbox::Inbox;
@@ -84,13 +84,13 @@ sub new {
 sub ibx_entry {
         my ($mtime, $ibx, $env) = @_;
         my $ts = PublicInbox::View::fmt_ts($mtime);
-        my $url = PublicInbox::Hval::prurl($env, $ibx->{url});
+        my $url = prurl($env, $ibx->{url});
         my $tmp = <<"";
 * $ts - $url
   ${\$ibx->description}
 
         if (defined(my $info_url = $ibx->{infourl})) {
-                $tmp .= '  ' . PublicInbox::Hval::prurl($env, $info_url) . "\n";
+                $tmp .= '  ' . prurl($env, $info_url) . "\n";
         }
         $tmp;
 }