wwwlisting: favor "use" over require

"use" is also evaluated earlier than "require", so it is
favorable for compile-only checking.

diff --git a/lib/PublicInbox/WwwListing.pm b/lib/PublicInbox/WwwListing.pm
index c063fca690de089777ace789c070b88b2ac0c4a7..a8aecaf7402d8aa6a206649fa0b130baffa7e9f5 100644 (file)
--- a/lib/PublicInbox/WwwListing.pm
+++ b/lib/PublicInbox/WwwListing.pm
@@ -12,8 +12,8 @@ use PublicInbox::View;
 use PublicInbox::Inbox;
 use bytes ();
 use HTTP::Date qw(time2str);
-require Digest::SHA;
-require File::Spec;
+use Digest::SHA ();
+use File::Spec ();
 *try_cat = \&PublicInbox::Inbox::try_cat;
 
 sub list_all_i {