Bug 2052696: Fix 002goodperl test failures

extensions/Example/template/en/default/setup/strings.txt.pl

@@ -17,6 +17,10 @@
 # Contributor(s):
 #   Max Kanat-Alexander <mkanat@bugzilla.org>
 
+use 5.10.1;
+use strict;
+use warnings;
+
 %strings = (feature_example_acme => 'Example Extension: Acme Feature',);
 
 1;

extensions/OldBugMove/Config.pm

@@ -20,6 +20,10 @@
 #   Max Kanat-Alexander <mkanat@bugzilla.org>
 
 package Bugzilla::Extension::OldBugMove;
+
+use 5.10.1;
 use strict;
+use warnings;
+
 use constant NAME => 'OldBugMove';
 __PACKAGE__->NAME;

extensions/OldBugMove/Extension.pm

@@ -20,7 +20,11 @@
 #   Max Kanat-Alexander <mkanat@bugzilla.org>
 
 package Bugzilla::Extension::OldBugMove;
+
+use 5.10.1;
 use strict;
+use warnings;
+
 use base qw(Bugzilla::Extension);
 use Bugzilla::Constants;
 use Bugzilla::Error;

extensions/OldBugMove/lib/Params.pm

@@ -31,7 +31,9 @@
 
 package Bugzilla::Extension::OldBugMove::Params;
 
+use 5.10.1;
 use strict;
+use warnings;
 
 use Bugzilla::Config::Common;
 

extensions/ShadowBugs/Config.pm

@@ -6,7 +6,10 @@
 # defined by the Mozilla Public License, v. 2.0.
 
 package Bugzilla::Extension::ShadowBugs;
+
+use 5.10.1;
 use strict;
+use warnings;
 
 use constant NAME             => 'ShadowBugs';
 use constant REQUIRED_MODULES => [];

extensions/ShadowBugs/Extension.pm

@@ -7,7 +7,9 @@
 
 package Bugzilla::Extension::ShadowBugs;
 
+use 5.10.1;
 use strict;
+use warnings;
 
 use base qw(Bugzilla::Extension);