Add a dependency on ALQ if IEEE80211_ALQ and/or AH_DEBUG_ALQ is included.

sys/dev/ath/if_ath.c

@@ -42,6 +42,9 @@ __FBSDID("$FreeBSD$");
 /*
  * This is needed for register operations which are performed
  * by the driver - eg, calls to ath_hal_gettsf32().
+ *
+ * It's also required for any AH_DEBUG checks in here, eg the
+ * module dependencies.
  */
 #include "opt_ah.h"
 #include "opt_wlan.h"
@@ -6817,3 +6820,6 @@ ath_dfs_tasklet(void *p, int npending)
 
 MODULE_VERSION(if_ath, 1);
 MODULE_DEPEND(if_ath, wlan, 1, 1, 1);          /* 802.11 media layer */
+#if	defined(IEEE80211_ALQ) || defined(AH_DEBUG_ALQ)
+MODULE_DEPEND(if_ath, alq, 1, 1, 1);
+#endif