DM S12: Give units traits for consistency

As these were the only ones left that end up on the players recall list
without traits.

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

@@ -165,6 +165,10 @@
         type=Lieutenant
         id=Niktor
         name= _ "Niktor"
+        [modifications]
+            {TRAIT_STRONG}
+            {TRAIT_RESILIENT}
+        [/modifications]
         facing=se
         side=4
         controller=ai
@@ -193,6 +197,10 @@
         type=White Mage
         id=Arpus
         name= _ "Arpus"
+        [modifications]
+            {TRAIT_QUICK}
+            {TRAIT_RESILIENT}
+        [/modifications]
         facing=nw
         side=5
         controller=ai