build fix: predefine struct ath_tx_desc

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>

diff --git a/target_firmware/wlan/if_athrate.h b/target_firmware/wlan/if_athrate.h
index 1ca50b1d7b17c502f2cb0f0a7c4d28fac51ea670..12088dd07cb23460bf9f809f64d66481b7d4c12d 100755 (executable)
--- a/target_firmware/wlan/if_athrate.h
+++ b/target_firmware/wlan/if_athrate.h
@@ -46,6 +46,7 @@ struct ath_node_target;
 struct ath_desc;
 struct ieee80211vap;
 struct ieee80211com_target;
+struct ath_tx_desc;
 
 struct ath_ratectrl {
        size_t  arc_space;      /* space required for per-node state */