Line numbers are off if \r\n is used

[rcjsuen]

dockerfile_lint warns about errors being on lines 3 and 5 but it should really be on lines 2 and 3. It's not splitting the \r\n characters as a set.

> cat Dockerfile.test
FROM busybox
HEALTHCHECK cmd
HEALTHCHECK cmd
> node bin\dockerfile_lint -f Dockerfile.test

--------ERRORS---------

Line 3: -> HEALTHCHECK cmd
ERROR: A HEALTHCHECK instruction must specify either NONE, or a valid CMD and options.
Reference -> https://docs.docker.com/engine/reference/builder/


Line 5: -> HEALTHCHECK cmd
ERROR: A HEALTHCHECK instruction must specify either NONE, or a valid CMD and options.
Reference -> https://docs.docker.com/engine/reference/builder/


ERROR: Required LABEL name/key 'Name' is not defined.
Reference -> http://docs.projectatomic.io/container-best-practices/#_recommended_labels_for_your_project


ERROR: Required LABEL name/key 'Version' is not defined.
Reference -> http://docs.projectatomic.io/container-best-practices/#_recommended_labels_for_your_project



--------INFO---------

INFO: There is no 'EXPOSE' instruction. Without exposed ports how will the service of the container be accessed?.
Reference -> https://docs.docker.com/engine/reference/builder/#expose


INFO: There is no 'CMD' instruction. None.
Reference -> https://docs.docker.com/engine/reference/builder/#cmd