Add "export LC_ALL=C" to all shell scripts

contrib/windeploy/detached-sig-create.sh

@@ -3,6 +3,7 @@
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
+export LC_ALL=C
 if [ -z "$OSSLSIGNCODE" ]; then
   OSSLSIGNCODE=osslsigncode
 fi