1 files changed, 4 insertions, 0 deletions
diff --git a/crawl-ref/source/maps.h b/crawl-ref/source/maps.h
index 5beee64992..ffcd6f2333 100644
--- a/crawl-ref/source/maps.h
+++ b/crawl-ref/source/maps.h
@@ -17,6 +17,10 @@ class map_def;
 struct map_file_place;
 struct vault_placement;
 
+bool map_safe_vault_place(const map_def &md,
+                          const coord_def &c,
+                          const coord_def &size);
+
 int vault_main(vault_placement &vp, const map_def *vault,
                bool check_place = false);