[gdb] Add printer for qi::Future
[gdb] Add printer for qi::Future

Change-Id: Ic3da65ae838783257df8adcd803b87c927ff66fb
Reviewed-on: http://gerrit.aldebaran.lan/35805
Reviewed-by: ncornu <13ba26b8f12d26c819f48749c65f2f7f5c1d13db@aldebaran-robotics.com>
Tested-by: ncornu <13ba26b8f12d26c819f48749c65f2f7f5c1d13db@aldebaran-robotics.com>

bsautron/libqi,aldebaran/libqi,aldebaran/libqi,vbarbaresi/libqi,aldebaran/libqi