Fix type mismatch.
Fix type mismatch.

Change-Id: I2d232832cadd61a74a1d8a67ce31a96098a80224

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