iwlwifi: mvm: remove unneeded argument from iwl_mvm_tx_protection()

The LQ command argument isn't needed, it's always taken from the
station struct that's already passed, remove the argument.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.h b/drivers/net/wireless/iwlwifi/mvm/rs.h
index cff4f6d..29d699a 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.h
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.h
@@ -404,7 +404,7 @@
 
 struct iwl_mvm_sta;
 
-int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq,
-			  struct iwl_mvm_sta *mvmsta, bool enable);
+int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
+			  bool enable);
 
 #endif /* __rs__ */