Cmake build: Add trailing '.'

Cpack in the cmake 3.18-version creates invalid control file
containg empty line. 'dpkg' chokes on this control file.

(cherry picked from commit 392aaa11acdc085108ebcd02f81d2a03df2c4375)

diff --git a/development/cmake/LyX_description.txt b/development/cmake/LyX_description.txt
index a921f17ab545341d405eb297ca6f159621e87645..7c8582edbcd6e48078141a228d26a0da2b0b7be7 100644 (file)
--- a/development/cmake/LyX_description.txt
+++ b/development/cmake/LyX_description.txt
@@ -15,3 +15,4 @@
     LyX is stable and fully featured. It is a multi-platform, fully
   internationalized application running natively on Unix/Linux, the
   Macintosh and modern Windows platforms.
+.