[LyX/master] Fix es/ModernCV on older versions that do not have language options

[Juergen Spitzmueller]

commit 8e49c9a704b941fe59a0c3b83dbd1c28b288d7a2
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Mon Sep 16 14:54:30 2024 +0200

    Fix es/ModernCV on older versions that do not have language options
---
 lib/examples/es/Curricula_Vitae/Modern_CV.lyx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/examples/es/Curricula_Vitae/Modern_CV.lyx b/lib/examples/es/Curricula_Vitae/Modern_CV.lyx
index 2483b74abc..b15862521d 100644
--- a/lib/examples/es/Curricula_Vitae/Modern_CV.lyx
+++ b/lib/examples/es/Curricula_Vitae/Modern_CV.lyx
@@ -6,7 +6,9 @@
 \origin /systemlyxdir/examples/es/Curricula_Vitae/
 \textclass moderncv
 \begin_preamble
-
+% This is only needed for the case of export
+% to an older version
+\AtBeginDocument{\spanishlcroman}
 \end_preamble
 \use_default_options false
 \maintain_unincluded_children no