fixed #287 (also refer to https://github.com/introlab/rtabmap/commit/963aea5c0d6c92f598345b767171c074be7e57f9)
fixed #287 (also refer to https://github.com/introlab/rtabmap/commit/963aea5c0d6c92f598345b767171c074be7e57f9)

introlab/rtabmap_ros,introlab/rtabmap_ros,introlab/rtabmap_ros,introlab/rtabmap_ros