small bugfix for getPlannerData()
small bugfix for getPlannerData()

--HG--
extra : convert_revision : b606ced08a8c027f8640639f76b40989dcf5337d

jvgomez/ompl,sonny-tarbouriech/ompl,davetcoleman/ompl,davetcoleman/ompl,jvgomez/ompl,florianhauer/ompl,sonny-tarbouriech/ompl,davetcoleman/ompl,utiasASRL/batch-informed-trees,davetcoleman/ompl,utiasASRL/batch-informed-trees,florianhauer/ompl,sonny-tarbouriech/ompl,davetcoleman/ompl,utiasASRL/batch-informed-trees,florianhauer/ompl,jvgomez/ompl,sonny-tarbouriech/ompl,jvgomez/ompl,florianhauer/ompl,utiasASRL/batch-informed-trees,sonny-tarbouriech/ompl,utiasASRL/batch-informed-trees,jvgomez/ompl,davetcoleman/ompl,florianhauer/ompl,utiasASRL/batch-informed-trees,sonny-tarbouriech/ompl,florianhauer/ompl,jvgomez/ompl