ath9k: debugfs: Fix SPUR-DOWN field

SPUR DOWN field returns spurup instead of spurdown.
Signed-off-by: Andrea Greco <a.greco@4sigma.it>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

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

@@ -148,7 +148,7 @@ static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 		{ "OFDM LEVEL", ah->ani.ofdmNoiseImmunityLevel },
 		{ "CCK LEVEL", ah->ani.cckNoiseImmunityLevel },
 		{ "SPUR UP", ah->stats.ast_ani_spurup },
-		{ "SPUR DOWN", ah->stats.ast_ani_spurup },
+		{ "SPUR DOWN", ah->stats.ast_ani_spurdown },
 		{ "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon },
 		{ "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff },
 		{ "MRC-CCK ON", ah->stats.ast_ani_ccklow },