cfg80211: remove unnecessary pointer-of

For an array, there's no need to use &array, so just use the
plain wiphy->addresses[i].addr here to silence smatch.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
index e46469b..0082f4b 100644
--- a/net/wireless/sysfs.c
+++ b/net/wireless/sysfs.c
@@ -57,7 +57,7 @@
 		return sprintf(buf, "%pM\n", wiphy->perm_addr);
 
 	for (i = 0; i < wiphy->n_addresses; i++)
-		buf += sprintf(buf, "%pM\n", &wiphy->addresses[i].addr);
+		buf += sprintf(buf, "%pM\n", wiphy->addresses[i].addr);
 
 	return buf - start;
 }