kdebug_secasv: Update for recent locking changes.

Reviewed by:	kp
Fixes:		0361f16 ipsec: replace SECASVAR  mtx by rmlock
Sponsored by:	Chelsio Communications
Differential Revision:	https://reviews.freebsd.org/D37690

sys/netipsec/key_debug.c

@@ -882,9 +882,11 @@ kdebug_secasv(struct secasvar *sav)
 		kdebug_secnatt(sav->natt);
 	if (sav->replay != NULL) {
 		KEYDBG(DUMP,
-		    SECASVAR_LOCK(sav);
+		    SECASVAR_RLOCK_TRACKER;
+
+		    SECASVAR_RLOCK(sav);
 		    kdebug_secreplay(sav->replay);
-		    SECASVAR_UNLOCK(sav));
+		    SECASVAR_RUNLOCK(sav));
 	}
 	printf("}\n");
 }