ath9k: make ath_get_hal_qnum static

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 6b5a26fc..6aa8fa6 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -612,7 +612,6 @@
 
 void ath9k_tasklet(unsigned long data);
 int ath_reset(struct ath_softc *sc, bool retry_tx);
-int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
 int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
 int ath_cabq_update(struct ath_softc *);
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 9414c2c..b413610 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -808,7 +808,7 @@
 	return r;
 }
 
-int ath_get_hal_qnum(u16 queue, struct ath_softc *sc)
+static int ath_get_hal_qnum(u16 queue, struct ath_softc *sc)
 {
 	int qnum;