Add 'sig' prefix to debian section
Add 'sig' prefix to debian section

gberaudo/osrm-ele-debian,gberaudo/osrm-upstream-debian,gberaudo/osrm-upstream-debian,fredj/osrm,gberaudo/osrm-ele-debian,fredj/osrm,gberaudo/osrm-ele-debian,fredj/osrm,gberaudo/osrm-upstream-debian,gberaudo/osrm-upstream-debian,gberaudo/osrm-ele-debian,fredj/osrm