scripts: Require Dpkg::Control::Info in dpkg-buildpackage

Regression introduced in commit ad94a98cf614e1c4129f8611080232d69d210a0a.

Closes: #829542
Reported-by: Helmut Grohne <helmut@subdivi.de>

debian/changelog

@@ -1,6 +1,8 @@
 dpkg (1.18.9) UNRELEASED; urgency=medium
 
-  *
+  * Require Dpkg::Control::Info in dpkg-buildpackage.
+    Initially reported by Helmut Grohne <helmut@subdivi.de>.
+    Regression introduced in dpkg 1.18.8. Closes: #829542
 
  -- Guillem Jover <guillem@debian.org>  Sun, 03 Jul 2016 23:18:26 +0200
 

scripts/dpkg-buildpackage.pl

@@ -40,6 +40,7 @@ use Dpkg::Compression;
 use Dpkg::Checksums;
 use Dpkg::Version;
 use Dpkg::Control;
+use Dpkg::Control::Info;
 use Dpkg::Changelog::Parse;
 use Dpkg::Path qw(find_command);
 use Dpkg::IPC;