ath9k: move phy_err to ath9k_cmn_debug_phy_err

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/common-debug.h b/drivers/net/wireless/ath/ath9k/common-debug.h
index 32b89f6..7c97884 100644
--- a/drivers/net/wireless/ath/ath9k/common-debug.h
+++ b/drivers/net/wireless/ath/ath9k/common-debug.h
@@ -68,3 +68,5 @@
 			     struct ath_rx_status *rs);
 void ath9k_cmn_debug_recv(struct dentry *debugfs_phy,
 			  struct ath_rx_stats *rxstats);
+void ath9k_cmn_debug_phy_err(struct dentry *debugfs_phy,
+			     struct ath_rx_stats *rxstats);