Correct "AMLA TOUGH" to "AMLA_TOUGH"

Admittedly, only a couple of campaigns have this error, but it keeps {AMLA_TOUGH 3} from being updated to {AMLA_DEFAULT}.

data/tools/wmllint-1.4

@@ -93,6 +93,7 @@ filemoves = {
         # but theoretically dubious are marked with *.
         ("../music/defeat.ogg",     "defeat.ogg"),
         ("../music/victory.ogg",    "victory.ogg"),
+        ("AMLA TOUGH",              "AMLA_TOUGH"),
         ("AMLA_TOUGH_2",            "AMLA_TOUGH 2"),
         ("AMLA_TOUGH_3",            "AMLA_TOUGH 3"),
         ("SOUND_LIST:DAGGER_SWISH", "SOUND_LIST:SWORD_SWISH"),