From 6024a66abdf9e49f29099a49c0f057459d77df80 Mon Sep 17 00:00:00 2001
From: Guillem Jover <guillem@debian.org>
Date: Sun, 30 Dec 2012 15:13:44 +0100
Subject: scripts: Use // operator instead of an explicit defined check

---
 scripts/Dpkg/Control/Fields.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'scripts/Dpkg/Control')

diff --git a/scripts/Dpkg/Control/Fields.pm b/scripts/Dpkg/Control/Fields.pm
index b3c61f9cc..f8db7d453 100644
--- a/scripts/Dpkg/Control/Fields.pm
+++ b/scripts/Dpkg/Control/Fields.pm
@@ -440,7 +440,7 @@ added to $to otherwise.
 
 sub field_transfer_single($$;$) {
     my ($from, $to, $field) = @_;
-    $field = $_ unless defined $field;
+    $field //= $_;
     my ($from_type, $to_type) = ($from->get_type(), $to->get_type());
     $field = field_capitalize($field);
 
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