fixed a little typo.

data/locales/es.lua

@@ -172,7 +172,7 @@ locale = {
     ["IP Address Banishment"] = "Banishment - Dirección IP",
     ["Item Offers"] = "Ofertas de objetos",
     ["It is empty."] = "Está vació.",
-    ["Join %s\'s Party"] = "Unirse al party de %s\ ",
+    ["Join %s\'s Party"] = "Unirse al party de %s ",
     ["Leave Party"] = "Dejar el party",
     ["Level"] = "Nivel",
     ["Lifetime Premium Account"] = "Tiempo de Premium Account infinito",