Update install.sh

plugins/mysql/versions/8.0/install.sh

@@ -35,6 +35,8 @@ Install_mysql()
 	# check cmake version
 	CMAKE_VERSION=`cmake -version | grep version | awk '{print $3}' | awk -F '.' '{print $1}'`
 	if [ "$CMAKE_VERSION" -eq "2" ];then
+		mkdir -p /var/log/mariadb
+		touch /var/log/mariadb/mariadb.log
 		INSTALL_CMD=cmake3
 	fi