fixed issue that happens when modifying only lines not covered by code-coverage #123
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We had an issue when modifying only the value of a constant in our source.
Since the modified line of code was not covered by code-coverage, and it was the only modified line, phpcov returned the following error:
'Unable to detect executable lines that were changed. Are you sure your --path-prefix is correct?'
I would propose to solve the problem by also counting the uncovered lines, and return the error only if there is actually no modified line, both covered and uncovered.