Typfixes

Change-Id: I29c337444e3379cdc58a014ca2e6d541ee7502b8
diff --git a/std/room/exits.c b/std/room/exits.c
index 27f59d7..d0ead0b 100644
--- a/std/room/exits.c
+++ b/std/room/exits.c
@@ -208,7 +208,8 @@
 
 varargs string GetExits( object viewer ) 
 {
-    string *indices, *hidden;
+    string *indices;
+    int|string* hidden;
     string exits;
 
     if ( QueryProp(P_DOOR_INFOS) )