Fix assertion.
Fix assertion.

Change-Id: I0a84623de5a9f6c98f26ef41956a88c2ac376f70

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