Use art from 0.93.3 for house_up.

ChangeLog.rtro

@@ -23,6 +23,10 @@ Changes for top of trunk
 	  jewel/gems/turquoise.rtro.111.png: New images derived from existing retro gem images to
 	    provide faces for (relatively) new gems in base.
 	* skills/Skill_Tools/holy_symbol_*.rtro.111.png: Recolor artifact holy symbols to be visually distinct.
+	* construct/house/house_up.rtro.x11.png,
+	  construct/house/hut_vert.rtro.x11.png: Use image for house_up from 0.93.3.
+	    0.93.3 is the first version where *all* the buildings are cavalier perspective, but since the
+	    vertical long houses already were, we can borrow these later images for those without issue.
 
 2023-08-05 Daniel Hawkins
 	* flesh/dragon/dragon_black_scale.rtro.111.png,