abort declaration is not just implicit but incompatibly implicit, so make it explicit.

diff --git a/rooms.c b/rooms.c
index 0e4530e..9e24af3 100644 (file)
--- a/rooms.c
+++ b/rooms.c
@@ -10,6 +10,8 @@
  * See the file LICENSE.TXT for full copyright and licensing information.\r
  */\r
 \r
+#include <stdlib.h>\r
+\r
 #include "curses.h"\r
 #include "rogue.h"\r
 \r