Make ruRU locale only apply when the user is using a ruRU client

diff --git a/Localization.ruRU.lua b/Localization.ruRU.lua
index cb6a23b..425ce31 100644
--- a/Localization.ruRU.lua
+++ b/Localization.ruRU.lua
@@ -6,7 +6,7 @@
 local L = Clique.Locals

 -- This is the default locale.
-if GetLocale() then
+if GetLocale() == "ruRU" then
 	L.RANK                    = "Уровень"
 	L.RANK_PATTERN            = "Уровень (%d+)"
 	L.CAST_FORMAT             = "%s(Уровень %s)"
@@ -109,4 +109,4 @@ if GetLocale() then
 	L.BS_CLICK_ARG1_LABEL = "Название кнопки:"

 	L.BS_MENU_HELP = "Показать всплывающее меню цели."
-end
\ No newline at end of file
+end