Dpkg::Control::Type: Use strict and warnings

Fixes TestingAndDebugging::RequireUseStrict and
TestingAndDebugging::RequireUseWarnings.

Warned-by: perlcritic

scripts/Dpkg/Control/Types.pm

@@ -13,6 +13,9 @@
 
 package Dpkg::Control::Types;
 
+use strict;
+use warnings;
+
 use base qw(Exporter);
 our @EXPORT = qw(CTRL_UNKNOWN CTRL_INFO_SRC CTRL_INFO_PKG CTRL_INDEX_SRC
                  CTRL_INDEX_PKG CTRL_PKG_SRC CTRL_PKG_DEB CTRL_FILE_CHANGES

test/100_critic.t

@@ -63,6 +63,8 @@ my @policies = qw(
     Subroutines::ProhibitExplicitReturnUndef
     TestingAndDebugging::ProhibitNoStrict
     TestingAndDebugging::ProhibitNoWarnings
+    TestingAndDebugging::RequireUseStrict
+    TestingAndDebugging::RequireUseWarnings
     ValuesAndExpressions::ProhibitComplexVersion
     ValuesAndExpressions::ProhibitLongChainsOfMethodCalls
     ValuesAndExpressions::ProhibitQuotesAsQuotelikeOperatorDelimiters