Fix a g++ issue detecting a missing return in a non-void function
Fix a g++ issue detecting a missing return in a non-void function

Change-Id: I4d8cb3820b8477b72cc1f396167a9193d5ecbc96
Reviewed-on: http://gerrit.aldebaran.lan/30506
Reviewed-by: qmignot <2eacb3173d8ffc89f147bcda33a92b005627bdfd@aldebaran-robotics.com>
Reviewed-by: mnottale <e3ccf1b6558404e921a21fa09cebb1153b50ec36@aldebaran-robotics.com>
Approved: qmignot <2eacb3173d8ffc89f147bcda33a92b005627bdfd@aldebaran-robotics.com>
Tested-by: qmignot <2eacb3173d8ffc89f147bcda33a92b005627bdfd@aldebaran-robotics.com>

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