DM: Fix some issues found by the schema validator

data/campaigns/Delfadors_Memoirs/scenarios/08_Ur_Thorodor.cfg

@@ -72,13 +72,15 @@
         team_name=enemies
         user_team_name= _ "Pillagers"
         no_leader=yes
-        [goal]
-            name=target
-            [criteria]
-                id=Delfador
-            [/criteria]
-            value=100
-        [/goal]
+        [ai]
+            [goal]
+                name=target
+                [criteria]
+                    id=Delfador
+                [/criteria]
+                value=100
+            [/goal]
+        [/ai]
     [/side]
 
     {MEMOIRS_DEATHS}

data/campaigns/Delfadors_Memoirs/scenarios/12_Terror_at_the_Ford_of_Parthyn.cfg

@@ -595,10 +595,12 @@
             side=1
             x=37-41
             y=38-42
+        [/filter]
+        [filter_condition]
             [have_unit]
                 side=5
             [/have_unit]
-        [/filter]
+        [/filter_condition]
 
         # If the Teacher, Arpus is dead, let someone else take the role (ranked by level).
         [role]