controllers: fix typo for volumereplicationclasses

[rewantsoni]

Fix a typo for volumereplicationclasses because of which the container was not starting.

Followup for: #276

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: leelavg, rewantsoni

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[rewantsoni]

/jira backport release-4.18

[openshift-ci-robot]

@rewantsoni: The following backport issues have been created:

Queuing cherrypicks to the requested branches to be created after this PR merges:
/cherrypick release-4.18

In response to this:

/jira backport release-4.18

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[openshift-cherrypick-robot]

@openshift-ci-robot: once the present PR merges, I will cherry-pick it on top of release-4.18 in a new PR and assign it to you.

In response to this:

@rewantsoni: The following backport issues have been created:

Queuing cherrypicks to the requested branches to be created after this PR merges:
/cherrypick release-4.18

In response to this:

/jira backport release-4.18

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[openshift-cherrypick-robot]

@openshift-ci-robot: new pull request created: #285

In response to this:

@rewantsoni: The following backport issues have been created:

Queuing cherrypicks to the requested branches to be created after this PR merges:
/cherrypick release-4.18

In response to this:

/jira backport release-4.18

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.