cleanup: use '$ibx' consistently when referring to Inbox refs

'$inbox' is more human-readable, so that is for the more
human-readable name in most cases.  Making our variable naming
more consistent should make the code easier-to-review and
harder to screw up.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/PublicInbox/Unsubscribe.pm b/lib/PublicInbox/Unsubscribe.pm
index 2644f7a9..11a347ee 100644
--- a/lib/PublicInbox/Unsubscribe.pm
+++ b/lib/PublicInbox/Unsubscribe.pm
@@ -151,9 +151,9 @@ sub archive_info {
         unless ($archive_url) {
                 if (my $config = $self->{pi_config}) {
                         # PublicInbox::Config::lookup
-                        my $inbox = $config->lookup($list_addr);
+                        my $ibx = $config->lookup($list_addr);
                         # PublicInbox::Inbox::base_url
-                        $archive_url = $inbox->base_url if $inbox;
+                        $archive_url = $ibx->base_url if $ibx;
                 }
         }