Cosmetic change with Best Trade Market - make fence sections merge nicer with nearby walls.

git-svn-id: svn://svn.code.sf.net/p/crossfire/code/maps/trunk@15321 282e977c-c81d-0410-88c4-b93c2d0d6712

brest/brest.trademarket

@@ -1345,6 +1345,9 @@ end
 arch woodwall_2_1_2
 x 6
 end
+arch swall_1_1_half
+x 6
+end
 arch dungeon_magic
 x 6
 y 1
@@ -1561,6 +1564,9 @@ end
 arch woodwall_2_1_2
 x 7
 end
+arch swall_1_1_half
+x 7
+end
 arch dungeon_magic
 x 7
 y 1