pay: fix uninitialized var in debug output.

rustyrussell · madelinevibes · commit 1c537c258e9d · 2025-08-27T12:53:38.000+09:30
@nepet noted that Valgrind complained. Nobody really cares though? TL;DR: if channel isn't enabled, estimate isn't set. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Changelog-None: CI only
diff --git a/plugins/libplugin-pay.c b/plugins/libplugin-pay.c
@@ -449,7 +449,7 @@ static void channel_hints_update(struct payment *p,
 			   "estimated capacity %s",
 			   fmt_short_channel_id_dir(tmpctx, &hint->scid),
 			   hint->enabled ? "true" : "false",
-			   fmt_amount_msat(tmpctx, hint->estimated_capacity));
+			   hint->enabled ? fmt_amount_msat(tmpctx, hint->estimated_capacity) : "UNKNOWN");
 		channel_hint_notify(p->plugin, hint);
 	}
 }

Original file line number	Diff line number	Diff line change
`@@ -449,7 +449,7 @@ static void channel_hints_update(struct payment *p,`
`449`	`449`	`"estimated capacity %s",`
`450`	`450`	`fmt_short_channel_id_dir(tmpctx, &hint->scid),`
`451`	`451`	`hint->enabled ? "true" : "false",`
`452`		`- fmt_amount_msat(tmpctx, hint->estimated_capacity));`
	`452`	`+ hint->enabled ? fmt_amount_msat(tmpctx, hint->estimated_capacity) : "UNKNOWN");`
`453`	`453`	`channel_hint_notify(p->plugin, hint);`
`454`	`454`	`}`
`455`	`455`	`}`