ath9k: use right parameter for MODULE_PARM_DESC() for debug

Reported-by: sujith.manoharan@atheros.com
Signed-off-by: NLuis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

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

@@ -31,7 +31,7 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
 
 static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
 module_param_named(debug, ath9k_debug, uint, 0);
-MODULE_PARM_DESC(ath9k_debug, "Debugging mask");
+MODULE_PARM_DESC(debug, "Debugging mask");
 
 /* We use the hw_value as an index into our private channel structure */