From b635b3209d8b453115799b7fde850218fea133bb Mon Sep 17 00:00:00 2001
From: Andrey Sidorov <andrey.sidorov@digital-logic.com.au>
Date: Sun, 8 Nov 2015 23:59:10 +1100
Subject: [PATCH] increment seq_num before assigning callback so response
 mapping is correct

---
 lib/ext/render.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/ext/render.js b/lib/ext/render.js
index b711edc..b609c29 100644
--- a/lib/ext/render.js
+++ b/lib/ext/render.js
@@ -33,6 +33,7 @@ exports.requireExt = function(display, callback)
             ext.QueryPictFormat = function(callback)
             {
                 X.pack_stream.pack('CCS', [ext.majorOpcode, 1, 1]);
+                X.seq_num++;
                 X.replies[X.seq_num] = [
                     function (buf, opt) {
                         var res = {};
@@ -57,12 +58,12 @@ exports.requireExt = function(display, callback)
                     callback
                 ];
                 X.pack_stream.flush();
-                X.seq_num++;
             }
 
             ext.QueryFilters = function(callback)
             {
                 X.pack_stream.pack('CCSL', [ext.majorOpcode, 29, 2, display.screen[0].root]);
+                X.seq_num++;
                 X.replies[X.seq_num] = [
                     function(buf, opt) {
                         var h = buf.unpack('LL');
@@ -89,7 +90,6 @@ exports.requireExt = function(display, callback)
                     callback
                 ];
                 X.pack_stream.flush();
-                X.seq_num++;
             }
 
             var valueList = [