added missing textdomain declaration

data/campaigns/Under_the_Burning_Suns/utils/deaths2.cfg

@@ -7,6 +7,8 @@
 
 # Also contains Esanoo's and Kromph's (the flesh golem) death cries
 
+#textdomain wesnoth-utbs
+
 # Kaleh death
 [event]
 name=die

data/campaigns/Under_the_Burning_Suns/utils/deaths3.cfg

@@ -3,6 +3,8 @@
 # deaths3.cfg differs from previous versions becuase in this version
 # only Kaleh's death causes defeat
 
+#textdomain wesnoth-utbs
+
 # Kaleh death
 [event]
 name=die

data/campaigns/Under_the_Burning_Suns/utils/terrain.cfg

@@ -3,6 +3,8 @@
 # dark tile terrain
 # for this to work for some reason it has to be on the top of the list
 
+#textdomain wesnoth-utbs
+
 [terrain]
  symbol_image=dark_tile1
  id=DarkTiles

data/campaigns/Under_the_Burning_Suns/utils/time.cfg

@@ -9,6 +9,8 @@
 # I label them "first" and "second" so the player always knows what
 # day it currently is
 
+#textdomain wesnoth-utbs
+
 #define DAWN1
 [time]
 textdomain=wesnoth