Hiragana: fixing test for erors

lib/DDG/Goodie/Hiragana.pm

@@ -51,6 +51,7 @@ my %hiragana = (
 
 handle remainder => sub {
     return $hiragana{lc $_} if defined $hiragana{lc $_};
+    return;
 };
 
 1;

t/Hiragana.t

@@ -14,6 +14,7 @@ ddg_goodie_test(
   	)],
 
     "hiragana a" => test_zci('あ'),
+    "what is hiragana?" => undef,
 );
 
 done_testing();