ath9k: qualify global modparam_nohwcrypt variable

Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/init.c

@@ -29,8 +29,8 @@ static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
 module_param_named(debug, ath9k_debug, uint, 0);
 MODULE_PARM_DESC(debug, "Debugging mask");
 
-int modparam_nohwcrypt;
-module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
+int ath9k_modparam_nohwcrypt;
+module_param_named(nohwcrypt, ath9k_modparam_nohwcrypt, int, 0444);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
 
 int led_blink;
@@ -653,7 +653,7 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
 		 hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
 
-	if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || modparam_nohwcrypt)
+	if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || ath9k_modparam_nohwcrypt)
 		hw->flags |= IEEE80211_HW_MFP_CAPABLE;
 
 	hw->wiphy->interface_modes =