Fix logic for warning about missing repository version.
Fix logic for warning about missing repository version.

The warning message was being displayed when a proper repo existed.

kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix