Add missing Publish to drivetrain spline_test

Change-Id: I591c08ce94ff9308f931f5a61466eb4bf3531b3e
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/frc971/control_loops/drivetrain/spline_test.cc b/frc971/control_loops/drivetrain/spline_test.cc
index ca4d128..015ec6a 100644
--- a/frc971/control_loops/drivetrain/spline_test.cc
+++ b/frc971/control_loops/drivetrain/spline_test.cc
@@ -129,11 +129,13 @@
     plotter_->AddLine(alphas_plot, idy_plot, "Integrated dY");
     plotter_->XLabel("Spline Alpha");
     plotter_->YLabel("X/Y (m), dX, dY (m / alpha)");
+    plotter_->Publish();
 
     plotter_->AddFigure("X/Y Plot of Spline Path");
     plotter_->AddLine(x_plot, y_plot, "spline");
     plotter_->XLabel("X (m)");
     plotter_->YLabel("Y (m)");
+    plotter_->Publish();
   }
 }