3rd Robot bring up

Signed-off-by: Filip Kujawa <filip.j.kujawa@gmail.com>
Change-Id: I1bb85cf323276c2239f2ae3af2f33df323162d99
diff --git a/y2023_bot3/control_loops/superstructure/superstructure.cc b/y2023_bot3/control_loops/superstructure/superstructure.cc
index 3b4835c..6061a76 100644
--- a/y2023_bot3/control_loops/superstructure/superstructure.cc
+++ b/y2023_bot3/control_loops/superstructure/superstructure.cc
@@ -54,7 +54,7 @@
       pivot_joint_offset = pivot_joint_.RunIteration(
           unsafe_goal != nullptr ? unsafe_goal->pivot_goal()
                                  : PivotGoal::NEUTRAL,
-          &(output_struct.pivot_joint_voltage),
+          output != nullptr ? &(output_struct.pivot_joint_voltage) : nullptr,
           position->pivot_joint_position(), status->fbb());
 
   Status::Builder status_builder = status->MakeBuilder<Status>();