Fix RUN_DEPENDS path for devel/otifications-cli-client

Summary:
${PORTSDIR}/ shouldn't be used to indicate a port dependency.
Instead, the name of the port should be given.

Fixes T1029.

Test Plan: portlint + make depends

Reviewers: dereckson

Maniphest Tasks: T1029

Differential Revision: https://devcentral.nasqueron.org/D687