Update 'docker/mysqlclient/scripts/backupdb.sh'

docker/mysqlclient/scripts/backupdb.sh

@@ -28,7 +28,7 @@ then
       exit 5
 fi
 
-TARGETFILENAME=${MYSQL_NAME}_dump_$(date -d "today" +"%Y%m%d%H%M%S").sql 
+TARGETFILENAME=${MYSQL_DATABASE}_dump_$(date -d "today" +"%Y%m%d%H%M%S").sql 
 echo "dump file name:$TARGETFILENAME"
 
 if [ -f /tmp/${TARGETFILENAME} ]