graph/timing: Fix a typo in Manifest.MF file

graph/timing: Fix a typo in Manifest.MF file

Sounds like somebody tried running an lttng command from the manifest file.
Otherwise, it shows that the Manifest-Version line doesn't have much use.

Change-Id: If6ccfa8d601d42ce4cd88ebf72068336d0f7cf36
Signed-off-by: Geneviève Bastien <gbastien+lttng@versatic.net>
Reviewed-on: https://git.eclipse.org/r/84248
Reviewed-by: Hudson CI
Reviewed-by: Jonathan Rajotte Julien <jonathan.rajotte-julien@efficios.com>