[LyX/2.3.x] care for optional brackets around version string

[Stephan Witt]

commit 9956d3fb43e6647619868e0ad884247fd4af93cb
Author: Stephan Witt <switt at lyx.org>
Date:   Mon Jun 17 18:07:05 2019 +0200

    care for optional brackets around version string
    
    (cherry picked from commit b0a73c0dfdbfa0541f04d7ee2578c4cd272ef7b9)
---
 development/LyX-Mac-binary-release.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/development/LyX-Mac-binary-release.sh b/development/LyX-Mac-binary-release.sh
index 7056868..282822e 100644
--- a/development/LyX-Mac-binary-release.sh
+++ b/development/LyX-Mac-binary-release.sh
@@ -332,7 +332,7 @@ DocumentationDir=$(dirname "${LyxSourceDir}")/Documents
 DmgBackground="${LyxSourceDir}"/development/MacOSX/dmg-background.png
 
 if [ -z "${LyXVersion}" ]; then
-	LyXVersion=$(grep AC_INIT "${LyxSourceDir}"/configure.ac | cut -d, -f2 | tr -d " ()")
+	LyXVersion=$(grep AC_INIT "${LyxSourceDir}"/configure.ac | cut -d, -f2 | tr -d " []()")
 fi
 LyXVersionSuffix=${LyXVersionSuffix:-$(echo "${LyXVersion}" | cut -d. -f1-2)}
 case "${LyXVersion}" in