update copyrights for 2021

[public-inbox.git] / lib / PublicInbox / InboxWritable.pm

diff --git a/lib/PublicInbox/InboxWritable.pm b/lib/PublicInbox/InboxWritable.pm
index 31eb3f15a94821e6725cbc8816c73b9066b37f4e..982ad6e59d6afc43c265c0b4e454878985238094 100644 (file)
--- a/lib/PublicInbox/InboxWritable.pm
+++ b/lib/PublicInbox/InboxWritable.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2018-2020 all contributors <meta@public-inbox.org>
+# Copyright (C) 2018-2021 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 
 # Extends read-only Inbox for writing
@@ -292,7 +292,7 @@ sub warn_ignore {
 
 # this expects to be RHS in this assignment: "local $SIG{__WARN__} = ..."
 sub warn_ignore_cb {
-       my $cb = $SIG{__WARN__} // sub { print STDERR @_ };
+       my $cb = $SIG{__WARN__} // \&CORE::warn;
        sub {
                return if warn_ignore(@_);
                $cb->(@_);