warning fix

diff --git a/include/extern.h b/include/extern.h
index b844fa00fefa3c37c6012b096c5a4d02d9518617..f545be56c89f6614c80164113122998592ff8565 100644 (file)
--- a/include/extern.h
+++ b/include/extern.h
@@ -342,7 +342,7 @@ extern int wiz_debug_cmd_bury(void);
 /* ### display.c ### */
 
 extern void magic_map_background(xchar, xchar, int);
-static void map_altar(xchar, xchar, int);
+extern void map_altar(xchar, xchar, int);
 extern void map_background(xchar, xchar, int);
 extern void map_trap(struct trap *, int);
 extern void map_object(struct obj *, int);