$OpenBSD: patch-src_map_cpp,v 1.2 2017/05/08 20:13:47 kili Exp $
--- src/map.cpp.orig
+++ src/map.cpp
@@ -399,7 +399,7 @@ void showMap(int centerX, int centerY)
 	engine.flushInput();
 	engine.clearInput();
 
-	doMusicInfo(-1);
+	doMusicInfo((unsigned int) -1);
 
 	while (true)
 	{
