cfg80211: fix dev <-> wiphy typo

Cc: Joe Perches <joe@perches.com>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index ae80f8f..2fd06c6 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2451,7 +2451,7 @@
 	wiphy_printk(KERN_DEBUG, wiphy, format, ##args)
 #elif defined(CONFIG_DYNAMIC_DEBUG)
 #define wiphy_dbg(wiphy, format, args...)			\
-	dynamic_pr_debug("%s: " format,	wiphy_name(dev), ##args)
+	dynamic_pr_debug("%s: " format,	wiphy_name(wiphy), ##args)
 #else
 #define wiphy_dbg(wiphy, format, args...)				\
 ({									\