MT#62763 Use Perl strictures

Warned-by: perlcritic
Fixes: TestingAndDebugging::RequireUseStrict
Fixes: TestingAndDebugging::RequireUseWarnings
Change-Id: I3fb45138f6c33ef79bc9956a37f290dd6552885e

Build.PL

@@ -1,3 +1,6 @@
+use strict;
+use warnings;
+
 use Module::Build qw();
 my $builder = Module::Build->new(
     module_name       => 'Sipwise-Base',

t/spelling.t

@@ -1,3 +1,6 @@
+use strict;
+use warnings;
+
 use Test::More import => [qw(plan)];
 
 plan skip_all => 'Author test' unless $ENV{AUTHOR_TESTING};