[LyX/master] Fix date

[Juergen Spitzmueller]

commit 21bb86b8b98e2eacec397f1f8a2123e92d7e8417
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Thu Apr 9 09:29:41 2020 +0200

    Fix date
---
 3rdparty/dtl/ChangeLog-LyX |    2 +-
 3rdparty/dtl/dt2dv.c       |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/3rdparty/dtl/ChangeLog-LyX b/3rdparty/dtl/ChangeLog-LyX
index f6b1228..c44cb35 100644
--- a/3rdparty/dtl/ChangeLog-LyX
+++ b/3rdparty/dtl/ChangeLog-LyX
@@ -1,7 +1,7 @@
 This file documents changes that have been done on top of the released
 version 0.6.1 from https://ctan.org/pkg/dtl
 
-Version 0.6.2 -- 14 September 2005
+Version 0.6.2 -- 14 September 2006
 ===================================
 
 2006-09-14 Enrico Forestieri <forenr at lyx.org>
diff --git a/3rdparty/dtl/dt2dv.c b/3rdparty/dtl/dt2dv.c
index f8a057d..07f73dc 100644
--- a/3rdparty/dtl/dt2dv.c
+++ b/3rdparty/dtl/dt2dv.c
@@ -6,7 +6,7 @@
    The author has expressed the hope that any modification will retain enough content to remain useful. He would also appreciate being acknowledged as the original author in the documentation.
    This declaration added 2008/11/14 by Clea F. Rees with the permission of Geoffrey Tobin.
 
-   - version 0.6.2 - 14 September 2005
+   - version 0.6.2 - 14 September 2006
    - Geoffrey Tobin    G.Tobin at ee.latrobe.edu.au
    - fixes:  Michal Tomczak-Jaegermann    ntomczak at vm.ucs.ualberta.ca
              Nelson H. F. Beebe    beebe at math.utah.edu