patch 7.4.2042
Problem:    GTK: display updating is not done properly and can be slow.
Solution:   Use gdk_display_flush() instead of gdk_display_sync(). Don't call
            gdk_window_process_updates().  (Kazunobu Kuriyama)
diff --git a/src/version.c b/src/version.c
index 72b4789..e4dd573 100644
--- a/src/version.c
+++ b/src/version.c
@@ -759,6 +759,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2042,
+/**/
     2041,
 /**/
     2040,