[PATCH 12/22] lei: rename $w to $wpager for warning message

[Eric Wong <e@80x24.org>]

Perl keeps track of the variable name for error messages
when auto-closing an FD fails, so this will help identify
the source of a close error..
---
 lib/PublicInbox/LEI.pm | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index 1f4ed0f6..24f5930b 100644
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -603,10 +603,10 @@ sub start_pager {
 	$env->{LV} //= '-c';
 	$env->{COLUMNS} //= 80; # TODO TIOCGWINSZ
 	$env->{MORE} //= 'FRX' if $^O eq 'freebsd';
-	pipe(my ($r, $w)) or return warn "pipe: $!";
+	pipe(my ($r, $wpager)) or return warn "pipe: $!";
 	my $rdr = { 0 => $r, 1 => $self->{1}, 2 => $self->{2} };
-	$self->{1} = $w;
-	$self->{2} = $w if -t $self->{2};
+	$self->{1} = $wpager;
+	$self->{2} = $wpager if -t $self->{2};
 	my $pid = spawn([$pager], $env, $rdr);
 	dwaitpid($pid, undef, $self->{sock});
 	$env->{GIT_PAGER_IN_USE} = 'true'; # we may spawn git