fix subread version in path

src/docker_modules/subread/1.32.2/docker_init.sh

-#!/bin/sh
-docker build src/docker_modules/subread/1.32.2 -t 'subread:1.32.2'

src/docker_modules/subread/1.6.4/docker_init.sh

+#!/bin/sh
+docker build src/docker_modules/subread/1.6.4 -t 'subread:1.6.4'