Changes

tmf: fix NLS mssing message warning for xy-chart lock y dialog

[Fixed] NLS mssing message warning for xy-chart lock y dialog

Change-Id: I4b32ca40250c8faea6a272e3386654b4a61568ed
Signed-off-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/c/tracecompass/org.eclipse.tracecompass/+/205530
Tested-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>
Reviewed-by: Matthew Khouzam <matthew.khouzam@ericsson.com>