Added the ruined desert keep.

data/core/terrain-graphics.cfg

@@ -496,7 +496,7 @@
 {OVERLAY                 Kud                                                       castle/dwarven-keep}
 
 {TERRAIN_BASE            Cd,Cdr                                                    castle/sand/dirt}
-{KEEP_BASE               Kd                                                        castle/sand/cobbles}
+{KEEP_BASE               Kd,Kdr                                                    castle/sand/cobbles}
 
 #{TERRAIN_BASE       ~                 fog/fog}
 
@@ -571,7 +571,8 @@
 {NEW:WALL             Kh*               (!,K*)                       castle/keep}
 
 # ruined desert castle
-{NEW:WALL            Cdr         (!,C*,K*)         castle/sand/ruin-castle}
+{NEW:WALL            Cdr         (!,C*,K*)                           castle/sand/ruin-castle}
+{NEW:WALL            Kdr         (!,K*)                              castle/sand/ruin-keep}
 
 
 # Encampment

data/core/terrain.cfg

@@ -1748,6 +1748,19 @@
     editor_group=castle, desert
 [/terrain_type]
 
+[terrain_type]
+    symbol_image=castle/sand/ruin-keep-tile
+    id=desert_keep_ruined
+    name= _ "Keep"
+    editor_name= _ "Ruined Desert Keep"
+    string=Kdr
+    aliasof=Ch
+    unit_height_adjust=20
+    recruit_from=true
+    recruit_onto=true
+    editor_group=castle, desert
+[/terrain_type]
+
 [terrain_type]
     symbol_image=alpha
     editor_image=castle/castle-overlay-editor