report missing authors to stderr

So if authors.t fails the cause is obvious from the test output
*without* having to perform a verbose run.

diff --git a/Porting/checkAUTHORS.pl b/Porting/checkAUTHORS.pl
index 8682f96..155b8d6 100755 (executable)
--- a/Porting/checkAUTHORS.pl
+++ b/Porting/checkAUTHORS.pl
@@ -258,6 +258,7 @@ sub display_test_output {
             print "ok $count - ".$real_names->{$_} ." $_\n";
         } else {
             print "not ok $count - Contributor not found in AUTHORS: $_ ".($real_names->{$_} || '???' )."\n";
+            print STDERR ($real_names->{$_} || '???' )." <$_> not found in AUTHORS\n";
         }
 
     }