[LyX/master] Added missed file to target dist.

[Kornel Benko]

commit dd9058ac4e877b4d294b49c0595d4c3fad131750
Author: Kornel Benko <kornel at lyx.org>
Date:   Wed Dec 14 18:24:38 2022 +0100

    Added missed file to target dist.
    
    Needed by cmake build on unix platforms.
---
 development/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/development/Makefile.am b/development/Makefile.am
index 4b82b4d..b7eb5c3 100644
--- a/development/Makefile.am
+++ b/development/Makefile.am
@@ -28,6 +28,7 @@ tools/README \
 tools/count_total_lines_of_compiled_code.sh \
 tools/count_lines_of_included_code.sh \
 tools/lyxeditor \
+unix/lyxrc.dist.in \
 Win32/lyxrc.dist.in \
 Win32/pdfview/pdfview-old.nsi \
 Win32/pdfview/pdfview.nsi \