Cosmetic changes to Tower of the Necromancer, Level 3 (pup_land/ancient/mountain/tower.3) for nicer merging between spiked walls and castle walls. No functional changes.

git-svn-id: svn://svn.code.sf.net/p/crossfire/code/maps/trunk@21007 282e977c-c81d-0410-88c4-b93c2d0d6712

pup_land/ancient/mountain/tower.3

@@ -8,7 +8,7 @@ enter_x 7
 enter_y 12
 msg
 Created:  1996-06-01
-Modified: 2012-04-04 Rick Tanner
+Modified: 2019-09-09 leaf
 endmsg
 end
 arch generate_zombie
@@ -380,6 +380,10 @@ arch flagstone
 x 3
 y 10
 end
+arch swall_1_4_half
+x 3
+y 10
+end
 arch dwall_1_3
 x 3
 y 10
@@ -419,6 +423,10 @@ arch flagstone
 x 3
 y 14
 end
+arch swall_1_4_half
+x 3
+y 14
+end
 arch dwall_1_3
 x 3
 y 14