line number out of bounds error notification shown for valueFlowMaxIterations

[firewave]

        <error id="valueFlowMaxIterations" severity="debug" msg="ValueFlow maximum iterations exceeded" verbose="ValueFlow maximum iterations exceeded">
            <location file="C:\Users\Username\AppData\Local\Temp\VI0br4k4_tinyxml2.cpp" line="0" column="0"/>
        </error>

This message requires --debug to be shown.

[firewave]

This is another type of message which should be shown at the file-level - see #60.

The notification is shown because this unlike others is currently not explicitly handled in the code.