thread: remove Mail::Thread dependency

Introduce our own SearchThread class for threading messages.
This should allow us to specialize and optimize away objects
in future commits.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/PublicInbox/WWW.pm b/lib/PublicInbox/WWW.pm
index 4d599fc9..11fc92e9 100644
--- a/lib/PublicInbox/WWW.pm
+++ b/lib/PublicInbox/WWW.pm
@@ -112,7 +112,7 @@ sub call {
 sub preload {
         require PublicInbox::Feed;
         require PublicInbox::View;
-        require PublicInbox::Thread;
+        require PublicInbox::SearchThread;
         require Email::MIME;
         require Digest::SHA;
         require POSIX;