hc forward show: hits, comment, and hairpin without a stray dash

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -162,6 +162,8 @@ All notable changes to Housecarl are documented here. The format follows
 
 ### Fixed
 
+- `hc forward show` shows the forward's hits and comment, and its
+  hairpin as `no`, `yes` or `yes, from …` (it printed `no -`).
 - A history entry's ruleset diff showed the object it changed as moved:
   stepping back put the old form at the end of its list, so updating
   one port forward (turning hairpin off) also showed its forward and