From 1159224d6fc0e0ab503800cf056a0e985ba2929a Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Wed, 17 Jan 2024 18:14:20 +0000
Subject: [PATCH] Plans: Fix missing const specifiers on visibility getters

---
 src/plans_base.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/plans_base.h b/src/plans_base.h
index 7b528c1cdb..8000ce714e 100644
--- a/src/plans_base.h
+++ b/src/plans_base.h
@@ -203,12 +203,12 @@ struct Plan : PlanPool::PoolItem<&_plan_pool> {
 
 	bool ValidateNewLine();
 
-	bool IsListable()
+	bool IsListable() const
 	{
 		return (this->owner == _local_company || this->visible_by_all);
 	}
 
-	bool IsVisible()
+	bool IsVisible() const
 	{
 		if (!this->IsListable()) return false;
 		return this->visible;