Use 'nrof 0' property on the container barrel in this map so they do not stack. This is similar to the bug reported in [ 2018391 ] Zero-cap or capless containers, also stacking containers

git-svn-id: svn://svn.code.sf.net/p/crossfire/code/maps/trunk@9786 282e977c-c81d-0410-88c4-b93c2d0d6712

inn_and_outpost/pypers_treehouse

@@ -7,6 +7,7 @@ enter_x 12
 enter_y 12
 msg
 Created:  2004-08-13 Avion
+Modified: 2008-08-28 Rick Tanner
 endmsg
 outdoor 1
 end
@@ -1201,6 +1202,7 @@ arch barrel
 x 5
 y 4
 type 122
+nrof 0
 arch random_food
 end
 arch random_food