From ae3210ec87cc5d1a71bf70fd8875c54b536ccf4a Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Wed, 14 Oct 2015 12:14:33 +0200
Subject: [PATCH] pervious commit did not compile: small copy/paste error

---
 src/kernel/building.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/kernel/building.c b/src/kernel/building.c
index 7ffba178e..da4f58867 100644
--- a/src/kernel/building.c
+++ b/src/kernel/building.c
@@ -95,7 +95,7 @@ void bt_register(building_type * type)
 void free_buildingtype(void *ptr) {
     building_type *btype = (building_type *)ptr;
     free_construction(btype->construction);
-    free_construction(btype->maintenance);
+    free(btype->maintenance);
     free(btype->_name);
     free(btype);
 }