Cosmetic wall changes for nicer visual merging and alignment in Dol-Goldur, Master's Chamber map. No functional changes.

brest/brittany/dol-guldur.6

@@ -5,7 +5,7 @@ width 35
 height 42
 msg
 Created:  1994-06-02
-Modified: 2023-05-27 Rick Tanner
+Modified: 2023-12-13 Rick Tanner
 endmsg
 reset_group brest-dol-guldur
 end
@@ -9056,7 +9056,7 @@ arch woodfloor
 x 32
 y 8
 end
-arch swall_1_2
+arch swall_2_1_1
 x 32
 y 8
 end
@@ -9064,6 +9064,10 @@ arch woodfloor
 x 32
 y 9
 end
+arch swall_1_2_half
+x 32
+y 9
+end
 arch bwall_0
 x 32
 y 9
@@ -9369,7 +9373,7 @@ arch woodfloor
 x 33
 y 7
 end
-arch swall_1_3
+arch swall_2_1_2
 x 33
 y 7
 end
@@ -9687,6 +9691,10 @@ arch woodfloor
 x 34
 y 7
 end
+arch swall_1_3_half
+x 34
+y 7
+end
 arch bwall_0
 x 34
 y 7