perf_transport: fix --client/--server
perf_transport: fix --client/--server

Change-Id: I85aed09bd9d4f80e47596ed52b59d1482fd60ddd
Reviewed-on: http://gerrit.aldebaran.lan:8080/13362
Reviewed-by: ncornu <13ba26b8f12d26c819f48749c65f2f7f5c1d13db@aldebaran-robotics.com>
Tested-by: cgestes <ddb78fe00abb42f91254c16a0860e38eb0781789@aldebaran-robotics.com>

bsautron/libqi,aldebaran/libqi-java,vbarbaresi/libqi,aldebaran/libqi-java,aldebaran/libqi,aldebaran/libqi,aldebaran/libqi-java,aldebaran/libqi