Fix channel for BattleNet whispers

diff --git a/SVUI_Chat/SVUI_Chat.lua b/SVUI_Chat/SVUI_Chat.lua
index af2f163..d9fa438 100644
--- a/SVUI_Chat/SVUI_Chat.lua
+++ b/SVUI_Chat/SVUI_Chat.lua
@@ -1441,7 +1441,7 @@ function MOD:CHAT_MSG_WHISPER(event, ...)
 end

 function MOD:CHAT_MSG_BN_WHISPER(event, ...)
-	if(not InCombatLockdown() and WHISPER_SOUND) then PlaySoundFile(WHISPER_SOUND, SV.db.Chat.psst or "Master") end
+	if(not InCombatLockdown() and WHISPER_SOUND) then PlaySoundFile(WHISPER_SOUND, SV.db.Chat.psst_channel or "Master") end
 	if(self.db.general.saveChats) then
 		self:SAVE_CHAT_HISTORY(event, ...)
 	end