[chronojump] Updated howto_translate.txt with info about custom intltool-update script

[Xavier de Blas <xaviblas src gnome org>]

commit 6ac7fc56f2300cd2b3a539990ac10b7286c7c4ad
Author: Xavier de Blas <xaviblas gmail com>
Date:   Thu Dec 15 14:14:53 2016 +0100

    Updated howto_translate.txt with info about custom intltool-update script

 howto_translate.txt |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/howto_translate.txt b/howto_translate.txt
index 1494685..3d4bcb3 100644
--- a/howto_translate.txt
+++ b/howto_translate.txt
@@ -1,3 +1,15 @@
+***********************************************
+Important !! 2016-12-15
+
+There's a bug related to intltool-update:
+https://bugzilla.gnome.org/show_bug.cgi?id=774404
+
+There's a custom intltool-update on po directoy. So call it like this:
+
+./intltool-update
+***********************************************
+
+
 2014-November-6
 - Chronojump developer use an old libglade library in order to have translations ok on Windows
 https://git.gnome.org/browse/chronojump/commit/?id=aaa0b4744969fc3ddbbb0d0246ff99ab71a21e70