Use active DOFs in GreedyIKPlanner.

Fixed another instance of GetDOFResolutions -> GetActiveDOFResolutions.

Author: mkoval

src/prpy/planning/workspace.py

@@ -166,7 +166,7 @@ def PlanWorkspacePath(self, robot, traj, timelimit=5.0,
             dt = traj.GetDuration()
 
             # Smallest CSpace step at which to give up
-            min_step = min(robot.GetDOFResolutions())/100.
+            min_step = min(robot.GetActiveDOFResolutions())/100.
             ik_options = openravepy.IkFilterOptions.CheckEnvCollisions
 
             start_time = time.time()