Handle AT_TIMEKEEP in procstat(1) -x [1]. Remove the AT_COUNT switch

case, since AT_COUNT is not an aux vector, it is the counter of total
number of defined vectors.

PR:	bin/171662 [1]
MFC after:	1 week

usr.bin/procstat/procstat_auxv.c

@@ -231,9 +231,11 @@ procstat_auxv(struct kinfo_proc *kipp)
 			else
 				PRINT(AT_STACKPROT, %s, "EXECUTABLE");
 			break;
-		case AT_COUNT:
-			PRINT(AT_COUNT, %ld, (long)auxv[i].a_un.a_val);
+#ifdef AT_TIMEKEEP
+		case AT_TIMEKEEP:
+			PRINT(AT_TIMEKEEP, %p, auxv[i].a_un.a_ptr);
 			break;
+#endif
 		default:
 			PRINT_UNKNOWN(auxv[i].a_type, auxv[i].a_un.a_val);
 			break;