Added release tests for file encoding.

MANIFEST

@@ -40,6 +40,7 @@ xt/changes.t
 xt/kwalitee.t
 xt/manifest.t
 xt/module_versions.t
+xt/mojibake.t
 xt/perlcritic.t
 xt/pod-coverage.t
 xt/pod.t

xt/mojibake.t

@@ -0,0 +1,24 @@
+#!perl
+
+=head1 PURPOSE
+
+Check Perl files for encoding issues.
+
+=cut
+
+use strict;
+use warnings;
+
+use Test::More;
+
+
+# Load module.
+eval
+{
+	require Test::Mojibake;
+};
+plan( skip_all => 'Test::Mojibake required for source encoding testing' )
+	if $@;
+
+# Test encoding for all files.
+Test::Mojibake::all_files_encoding_ok();