scripts/release-notes: fix duplicate output header
diff --git a/scripts/release-notes.pl b/scripts/release-notes.pl
index 7e4d4b9..67805f9 100755
--- a/scripts/release-notes.pl
+++ b/scripts/release-notes.pl
@@ -160,6 +160,7 @@
             $refused[$moreinfo{$f}]=3;
         }
         push @o, " --- new entries are listed above this ---";
+        next;
     }
     elsif($cleanup) {
         if($l =~ /^ --- new entries are listed/) {